Add 6/30 and 42/7
1st number: 6/30, 2nd number: 6 0/7
6/30 + 42/7 is 31/5.
Steps for adding fractions
- 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,
42/7 = 42 × 30/7 × 30 = 1260/210 - Add the two like fractions:
42/210 + 1260/210 = 42 + 1260/210 = 1302/210 - 1302/210 simplified gives 31/5
- So, 6/30 + 42/7 = 31/5
In mixed form: 61/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/30+42/7 6/30+84/7 6/60+42/7 6/30+42/14 18/30+42/7 6/90+42/7 6/30+42/21 6/30+42/35 42/30+42/7 6/30+42/49