Add 21/49 and 2/56
21/49 + 2/56 is 13/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 56 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 49 × 8 = 392,
21/49 = 21 × 8/49 × 8 = 168/392 - Likewise, for the 2nd fraction, since 56 × 7 = 392,
2/56 = 2 × 7/56 × 7 = 14/392 - Add the two like fractions:
168/392 + 14/392 = 168 + 14/392 = 182/392 - 182/392 simplified gives 13/28
- So, 21/49 + 2/56 = 13/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/49+2/56 21/49+4/56 21/98+2/56 63/49+2/56 21/49+6/56 21/49+10/56 21/49+14/56