Add 7/63 and 9/15
7/63 + 9/15 is 32/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 15 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
7/63 = 7 × 5/63 × 5 = 35/315 - Likewise, for the 2nd fraction, since 15 × 21 = 315,
9/15 = 9 × 21/15 × 21 = 189/315 - Add the two like fractions:
35/315 + 189/315 = 35 + 189/315 = 224/315 - 224/315 simplified gives 32/45
- So, 7/63 + 9/15 = 32/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/63+9/15 7/63+18/15 7/63+9/30 21/63+9/15 7/63+27/15 7/63+9/45 35/63+9/15 7/63+45/15 7/63+9/75 49/63+9/15 7/63+63/15