Add 6/30 and 12/7, Solve 6/30 + 1 5/7 as a fraction

Add 6/30 and 12/7

1^st number: 6/30, 2^nd number: 1 5/7

6/30 + 12/7 is 67/35.

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,
6/30 = 6 × 7/30 × 7 = 42/210
Likewise, for the 2nd fraction, since 7 × 30 = 210,
12/7 = 12 × 30/7 × 30 = 360/210
Add the two like fractions:
42/210 + 360/210 = 42 + 360/210 = 402/210
402/210 simplified gives 67/35
So, 6/30 + 12/7 = 67/35
In mixed form: 132/35

MathStep (Works offline)

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