Add 48/56 and 21/49
48/56 + 21/49 is 9/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 49 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 56 × 7 = 392,
48/56 = 48 × 7/56 × 7 = 336/392 - Likewise, for the 2nd fraction, since 49 × 8 = 392,
21/49 = 21 × 8/49 × 8 = 168/392 - Add the two like fractions:
336/392 + 168/392 = 336 + 168/392 = 504/392 - 504/392 simplified gives 9/7
- So, 48/56 + 21/49 = 9/7
In mixed form: 12/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/56+21/49 48/56+42/49 48/56+21/98 48/56+63/49