Add 60/21 and 7/70
1st number: 2 18/21, 2nd number: 7/70
60/21 + 7/70 is 207/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 21 × 10 = 210,
60/21 = 60 × 10/21 × 10 = 600/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
7/70 = 7 × 3/70 × 3 = 21/210 - Add the two like fractions:
600/210 + 21/210 = 600 + 21/210 = 621/210 - 621/210 simplified gives 207/70
- So, 60/21 + 7/70 = 207/70
In mixed form: 267/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/21+14/70 60/42+7/70 60/21+21/70 60/63+7/70 60/21+35/70 60/21+49/70