Add 9/15 and 7/63
9/15 + 7/63 is 32/45.
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,
9/15 = 9 × 21/15 × 21 = 189/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
7/63 = 7 × 5/63 × 5 = 35/315 - Add the two like fractions:
189/315 + 35/315 = 189 + 35/315 = 224/315 - 224/315 simplified gives 32/45
- So, 9/15 + 7/63 = 32/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/15+7/63 9/15+14/63 9/30+7/63 27/15+7/63 9/15+21/63 9/45+7/63 45/15+7/63 9/15+35/63 9/75+7/63 63/15+7/63 9/15+49/63