Add 3/49 and 7/20
3/49 + 7/20 is 403/980.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 20 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 49 × 20 = 980,
3/49 = 3 × 20/49 × 20 = 60/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
7/20 = 7 × 49/20 × 49 = 343/980 - Add the two like fractions:
60/980 + 343/980 = 60 + 343/980 = 403/980 - So, 3/49 + 7/20 = 403/980
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/49+7/20 3/49+14/20 3/98+7/20 3/49+7/40 9/49+7/20 3/49+21/20 3/49+7/60 15/49+7/20 3/49+35/20 21/49+7/20 3/49+49/20