Add 5/56 and 21/98
5/56 + 21/98 is 17/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 98 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 56 × 7 = 392,
5/56 = 5 × 7/56 × 7 = 35/392 - Likewise, for the 2nd fraction, since 98 × 4 = 392,
21/98 = 21 × 4/98 × 4 = 84/392 - Add the two like fractions:
35/392 + 84/392 = 35 + 84/392 = 119/392 - 119/392 simplified gives 17/56
- So, 5/56 + 21/98 = 17/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/56+21/98 5/56+42/98 15/56+21/98 5/56+63/98 25/56+21/98 35/56+21/98