Add 7/56 and 6/15
7/56 + 6/15 is 21/40.
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,
7/56 = 7 × 15/56 × 15 = 105/840 - Likewise, for the 2nd fraction, since 15 × 56 = 840,
6/15 = 6 × 56/15 × 56 = 336/840 - Add the two like fractions:
105/840 + 336/840 = 105 + 336/840 = 441/840 - 441/840 simplified gives 21/40
- So, 7/56 + 6/15 = 21/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/56+6/15 7/56+12/15 7/56+6/30 21/56+6/15 7/56+18/15 7/56+6/45 35/56+6/15 7/56+30/15 7/56+6/75 49/56+6/15 7/56+42/15