Add 32/84 and 18/5, Solve 32/84 + 3 3/5 as a fraction

Add 32/84 and 18/5

1^st number: 32/84, 2^nd number: 3 3/5

32/84 + 18/5 is 418/105.

Find the least common denominator or LCM of the two denominators:
LCM of 84 and 5 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 84 × 5 = 420,
32/84 = 32 × 5/84 × 5 = 160/420
Likewise, for the 2nd fraction, since 5 × 84 = 420,
18/5 = 18 × 84/5 × 84 = 1512/420
Add the two like fractions:
160/420 + 1512/420 = 160 + 1512/420 = 1672/420
1672/420 simplified gives 418/105
So, 32/84 + 18/5 = 418/105
In mixed form: 3103/105

MathStep (Works offline)

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