Add 20/60 and 7/49
20/60 + 7/49 is 10/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 49 is 2940
Next, find the equivalent fraction of both fractional numbers with denominator 2940 - For the 1st fraction, since 60 × 49 = 2940,
20/60 = 20 × 49/60 × 49 = 980/2940 - Likewise, for the 2nd fraction, since 49 × 60 = 2940,
7/49 = 7 × 60/49 × 60 = 420/2940 - Add the two like fractions:
980/2940 + 420/2940 = 980 + 420/2940 = 1400/2940 - 1400/2940 simplified gives 10/21
- So, 20/60 + 7/49 = 10/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/60+7/49 20/60+14/49 20/60+7/98 20/60+21/49 20/60+35/49