Add 6/30 and 21/14
1st number: 6/30, 2nd number: 1 7/14
6/30 + 21/14 is 17/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 14 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 14 × 15 = 210,
21/14 = 21 × 15/14 × 15 = 315/210 - Add the two like fractions:
42/210 + 315/210 = 42 + 315/210 = 357/210 - 357/210 simplified gives 17/10
- So, 6/30 + 21/14 = 17/10
In mixed form: 17/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/30+21/14 6/30+42/14 6/60+21/14 6/30+21/28 18/30+21/14 6/30+63/14 6/90+21/14 6/30+21/42 6/30+21/70 42/30+21/14 6/30+21/98