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# fraction

«fraction» in Mova's school dictionary: **a part of a whole, like one half or three quarters** — its meaning for a pupil, its sense in the lessons and examples, with 5 sentences of Mova's corpora that use it.

### part of speech

noun (fraction, fractions)

### meaning for a pupil

1) A fraction is a part of a whole, like one half or three quarters. It is written with one number over another, like 3/4. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fraction/#m1)

2) The bottom number (denominator) tells how many equal parts the whole has; the top number (numerator) tells how many parts we take. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fraction/#m2)

3) A fraction of something can also mean a very small part of it. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fraction/#m3)

### sense in the lessons

maths: a part of a whole or of a group; problems ask for a fraction of an amount or what fraction is left; equal fractions, comparing and adding fractions; everyday life: half a pizza, a quarter of an hour; science: a fraction of a second

### examples

- What fraction of the pizza is left? [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fraction/#x1)
- She ate 2/8 of the cake. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fraction/#x2)
- A fraction of the class walks to school. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fraction/#x3)
- Write the fraction of red balls. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fraction/#x4)
- 1/3 of 12 apples is 4 apples. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fraction/#x5)
- One half and two quarters are equal fractions. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fraction/#x6)
- A quarter of an hour is 15 minutes. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fraction/#x7)
- The light flashed for a fraction of a second. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fraction/#x8)

### note

«A fraction of» an amount means multiply (or divide by the bottom number and multiply by the top). Trap: «what fraction is left» needs the part left over the whole, not the part taken. The parts must be equal for a fraction.

### In the corpora

- [A Venus flytrap shuts in a fraction of a second when two trigger hairs inside the trap are touched within about 20 seconds.](https://md.mova.elamur.ai/free/en/corpora/school/biology/254-plants-deeper-carnivorous-plants-that-count-slip-and-suck/6/)
- [Chloe stops whispering answers, and finds a study buddy, Aisha, who helps with fractions and asks for help with spelling.](https://md.mova.elamur.ai/free/en/corpora/school/everyday/470-the-friend-who-only-calls-when-they-need-something/22/)
- [Gareth makes Leon pancakes every Saturday and sits through his fractions without sighing.](https://md.mova.elamur.ai/free/en/corpora/school/everyday/517-the-parent-who-left-and-a-new-partner/16/)
- [Because so few living things are buried just right, only a tiny fraction ever become fossils.](https://md.mova.elamur.ai/free/en/corpora/school/geography/57-fossils/6/)
- [Only a tiny fraction of living things ever become fossils.](https://md.mova.elamur.ai/free/en/corpora/school/geography/57-fossils/10/)

### Trees and pragmatics

[Every meaning and example of «fraction» parsed by Mova](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fraction/), each sentence with its dependency tree and frames.