Add 7/15 and 48/56
7/15 + 48/56 is 139/105.
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,
7/15 = 7 × 56/15 × 56 = 392/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
48/56 = 48 × 15/56 × 15 = 720/840 - Add the two like fractions:
392/840 + 720/840 = 392 + 720/840 = 1112/840 - 1112/840 simplified gives 139/105
- So, 7/15 + 48/56 = 139/105
In mixed form: 134/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/15+48/56 7/15+96/56 7/30+48/56 21/15+48/56 7/45+48/56 35/15+48/56 7/75+48/56 49/15+48/56