Add 9/15 and 7/56
9/15 + 7/56 is 29/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 15 × 56 = 840,
9/15 = 9 × 56/15 × 56 = 504/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
7/56 = 7 × 15/56 × 15 = 105/840 - Add the two like fractions:
504/840 + 105/840 = 504 + 105/840 = 609/840 - 609/840 simplified gives 29/40
- So, 9/15 + 7/56 = 29/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/15+7/56 9/15+14/56 9/30+7/56 27/15+7/56 9/15+21/56 9/45+7/56 45/15+7/56 9/15+35/56 9/75+7/56 63/15+7/56 9/15+49/56