Add 6/35 and 72/30, Solve 6/35 + 2 12/30 as a fraction

Add 6/35 and 72/30

1^st number: 6/35, 2^nd number: 2 12/30

6/35 + 72/30 is 18/7.

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 30 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 35 × 6 = 210,
6/35 = 6 × 6/35 × 6 = 36/210
Likewise, for the 2nd fraction, since 30 × 7 = 210,
72/30 = 72 × 7/30 × 7 = 504/210
Add the two like fractions:
36/210 + 504/210 = 36 + 504/210 = 540/210
540/210 simplified gives 18/7
So, 6/35 + 72/30 = 18/7
In mixed form: 24/7

MathStep (Works offline)

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