Add 3/56 and 7/15
3/56 + 7/15 is 437/840.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 15 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
3/56 = 3 × 15/56 × 15 = 45/840 - Likewise, for the 2nd fraction, since 15 × 56 = 840,
7/15 = 7 × 56/15 × 56 = 392/840 - Add the two like fractions:
45/840 + 392/840 = 45 + 392/840 = 437/840 - So, 3/56 + 7/15 = 437/840
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/56+7/15 3/56+14/15 3/56+7/30 9/56+7/15 3/56+21/15 3/56+7/45 15/56+7/15 3/56+35/15 3/56+7/75 21/56+7/15 3/56+49/15