Add 7/60 and 6/21
7/60 + 6/21 is 169/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 21 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
7/60 = 7 × 7/60 × 7 = 49/420 - Likewise, for the 2nd fraction, since 21 × 20 = 420,
6/21 = 6 × 20/21 × 20 = 120/420 - Add the two like fractions:
49/420 + 120/420 = 49 + 120/420 = 169/420 - So, 7/60 + 6/21 = 169/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/60+6/21 7/60+12/21 7/60+6/42 21/60+6/21 7/60+18/21 7/60+6/63 35/60+6/21 7/60+30/21 49/60+6/21 7/60+42/21