Add 2/30 and 70/7, Solve 2/30 + 10 0/7 as a fraction

Add 2/30 and 70/7

1^st number: 2/30, 2^nd number: 10 0/7

2/30 + 70/7 is 151/15.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 7 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 30 × 7 = 210,
2/30 = 2 × 7/30 × 7 = 14/210
Likewise, for the 2nd fraction, since 7 × 30 = 210,
70/7 = 70 × 30/7 × 30 = 2100/210
Add the two like fractions:
14/210 + 2100/210 = 14 + 2100/210 = 2114/210
2114/210 simplified gives 151/15
So, 2/30 + 70/7 = 151/15
In mixed form: 101/15

MathStep (Works offline)

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