Add 7/15 and 27/56
7/15 + 27/56 is 797/840.
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,
27/56 = 27 × 15/56 × 15 = 405/840 - Add the two like fractions:
392/840 + 405/840 = 392 + 405/840 = 797/840 - So, 7/15 + 27/56 = 797/840
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/15+27/56 7/15+54/56 7/30+27/56 21/15+27/56 7/15+81/56 7/45+27/56 35/15+27/56 7/75+27/56 49/15+27/56