Add 15/56 and 8/15
15/56 + 8/15 is 673/840.
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,
15/56 = 15 × 15/56 × 15 = 225/840 - Likewise, for the 2nd fraction, since 15 × 56 = 840,
8/15 = 8 × 56/15 × 56 = 448/840 - Add the two like fractions:
225/840 + 448/840 = 225 + 448/840 = 673/840 - So, 15/56 + 8/15 = 673/840
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/56+8/15 15/56+16/15 15/56+8/30 45/56+8/15 15/56+24/15 15/56+8/45 75/56+8/15 15/56+40/15 15/56+8/75 15/56+56/15