Add 84/42 and 60/15, Solve 2 0/42 + 4 0/15 as a fraction

Add 84/42 and 60/15

1^st number: 2 0/42, 2^nd number: 4 0/15

84/42 + 60/15 is 6/1.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 15 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 42 × 5 = 210,
84/42 = 84 × 5/42 × 5 = 420/210
Likewise, for the 2nd fraction, since 15 × 14 = 210,
60/15 = 60 × 14/15 × 14 = 840/210
Add the two like fractions:
420/210 + 840/210 = 420 + 840/210 = 1260/210
1260/210 simplified gives 6/1
So, 84/42 + 60/15 = 6/1

MathStep (Works offline)

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