Add 7/56 and 42/49
7/56 + 42/49 is 55/56.
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,
7/56 = 7 × 7/56 × 7 = 49/392 - Likewise, for the 2nd fraction, since 49 × 8 = 392,
42/49 = 42 × 8/49 × 8 = 336/392 - Add the two like fractions:
49/392 + 336/392 = 49 + 336/392 = 385/392 - 385/392 simplified gives 55/56
- So, 7/56 + 42/49 = 55/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/56+42/49 7/56+84/49 7/56+42/98 21/56+42/49 35/56+42/49 49/56+42/49