Add 56/84 and 7/49
56/84 + 7/49 is 17/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 49 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 84 × 7 = 588,
56/84 = 56 × 7/84 × 7 = 392/588 - Likewise, for the 2nd fraction, since 49 × 12 = 588,
7/49 = 7 × 12/49 × 12 = 84/588 - Add the two like fractions:
392/588 + 84/588 = 392 + 84/588 = 476/588 - 476/588 simplified gives 17/21
- So, 56/84 + 7/49 = 17/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/84+14/49 56/84+7/98 56/84+21/49 56/84+35/49