Add 7/15 and 8/63
7/15 + 8/63 is 187/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 15 × 21 = 315,
7/15 = 7 × 21/15 × 21 = 147/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
8/63 = 8 × 5/63 × 5 = 40/315 - Add the two like fractions:
147/315 + 40/315 = 147 + 40/315 = 187/315 - So, 7/15 + 8/63 = 187/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/15+8/63 7/15+16/63 7/30+8/63 21/15+8/63 7/15+24/63 7/45+8/63 35/15+8/63 7/15+40/63 7/75+8/63 49/15+8/63 7/15+56/63