Add 60/63 and 70/35, Solve 60/63 + 2 0/35 as a fraction

Add 60/63 and 70/35

1^st number: 60/63, 2^nd number: 2 0/35

60/63 + 70/35 is 62/21.

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 35 is 315

Next, find the equivalent fraction of both fractional numbers with denominator 315
For the 1st fraction, since 63 × 5 = 315,
60/63 = 60 × 5/63 × 5 = 300/315
Likewise, for the 2nd fraction, since 35 × 9 = 315,
70/35 = 70 × 9/35 × 9 = 630/315
Add the two like fractions:
300/315 + 630/315 = 300 + 630/315 = 930/315
930/315 simplified gives 62/21
So, 60/63 + 70/35 = 62/21
In mixed form: 220/21

MathStep (Works offline)

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