Add 42/49 and 35/56
42/49 + 35/56 is 83/56.
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,
42/49 = 42 × 8/49 × 8 = 336/392 - Likewise, for the 2nd fraction, since 56 × 7 = 392,
35/56 = 35 × 7/56 × 7 = 245/392 - Add the two like fractions:
336/392 + 245/392 = 336 + 245/392 = 581/392 - 581/392 simplified gives 83/56
- So, 42/49 + 35/56 = 83/56
In mixed form: 127/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/49+35/56 42/49+70/56 42/98+35/56