Add 5/15 and 9/63
5/15 + 9/63 is 10/21.
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,
5/15 = 5 × 21/15 × 21 = 105/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
9/63 = 9 × 5/63 × 5 = 45/315 - Add the two like fractions:
105/315 + 45/315 = 105 + 45/315 = 150/315 - 150/315 simplified gives 10/21
- So, 5/15 + 9/63 = 10/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/15+9/63 5/15+18/63 5/30+9/63 5/15+27/63 5/45+9/63 25/15+9/63 5/15+45/63 5/75+9/63 35/15+9/63