Add 32/4 and 18/21, Solve 8 0/4 + 18/21 as a fraction

Add 32/4 and 18/21

1^st number: 8 0/4, 2^nd number: 18/21

32/4 + 18/21 is 62/7.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 21 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 4 × 21 = 84,
32/4 = 32 × 21/4 × 21 = 672/84
Likewise, for the 2nd fraction, since 21 × 4 = 84,
18/21 = 18 × 4/21 × 4 = 72/84
Add the two like fractions:
672/84 + 72/84 = 672 + 72/84 = 744/84
744/84 simplified gives 62/7
So, 32/4 + 18/21 = 62/7
In mixed form: 86/7

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad