Simplifying a fraction to its lowest terms

Difficulty Starter · Set 3l9kpx

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1
Write1014in its lowest terms.
2
Write1214in its lowest terms.
3
Write68in its lowest terms.
4
Write24in its lowest terms.
5
Write28in its lowest terms.
6
Write46in its lowest terms.
7
Write210in its lowest terms.
8
Write212in its lowest terms.
9
Write1014in its lowest terms.
10
Write39in its lowest terms.
11
Write48in its lowest terms.
12
Write214in its lowest terms.
13
Write48in its lowest terms.
14
Write28in its lowest terms.
15
Write28in its lowest terms.
16
Write24in its lowest terms.
17
Write1016in its lowest terms.
18
Write810in its lowest terms.
19
Write1420in its lowest terms.
20
Write1016in its lowest terms.

What is in this set

The numbers in this set run from 2 to 20.
93% of them share a small factor.
A careful solution takes 2 written steps on average.
The mistake this set invites most often, in 55% of the problems: the common factor was subtracted from both numbers; simplifying divides, it does not take away.
Answers are a fraction in its lowest terms, written like 3/4.

Drawing 240 problems from this page produced 36 different ones, 15% — so a sheet of 20 will come back to a problem you have seen — there are only so many sensible ones of this kind.

The same skill, harder or easier

We would put this in front of a grade 4 class. That is our judgement, not a standard, and it is printed here so you can disagree with it. Everything else we put in that year.

Next to this

The missing numerator in an equivalent fraction

Numbers 1–48.

Mixed numbers to improper fractions

Numbers 1–6; every one will cross between improper and mixed form.

All of fractions

24 skills in this topic, 71 sets between them.

Printing it

The printed sheet carries no menus and no advertising, and the answer key is on its own page.