Mixed numbers to improper fractions

Difficulty Starter · Set axumf9

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1
Write346as a single fraction.
2
Write656as a single fraction.
3
Write156as a single fraction.
4
Write513as a single fraction.
5
Write214as a single fraction.
6
Write524as a single fraction.
7
Write214as a single fraction.
8
Write614as a single fraction.
9
Write212as a single fraction.
10
Write412as a single fraction.
11
Write112as a single fraction.
12
Write656as a single fraction.
13
Write456as a single fraction.
14
Write612as a single fraction.
15
Write525as a single fraction.
16
Write236as a single fraction.
17
Write113as a single fraction.
18
Write125as a single fraction.
19
Write612as a single fraction.
20
Write212as a single fraction.

What is in this set

The numbers in this set run from 1 to 6.
Every problem in it will cross between improper and mixed form.
A careful solution takes 2 written steps on average.
The mistake this set invites most often, in 100% of the problems: the whole number was added to the numerator.
Answers are a fraction in its lowest terms, written like 3/4.

Drawing 240 problems from this page produced 78 different ones, 33% — 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 5 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.