Add 4/63 and 9/15
4/63 + 9/15 is 209/315.
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,
4/63 = 4 × 5/63 × 5 = 20/315 - Likewise, for the 2nd fraction, since 15 × 21 = 315,
9/15 = 9 × 21/15 × 21 = 189/315 - Add the two like fractions:
20/315 + 189/315 = 20 + 189/315 = 209/315 - So, 4/63 + 9/15 = 209/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/63+9/15 4/63+18/15 4/63+9/30 12/63+9/15 4/63+27/15 4/63+9/45 20/63+9/15 4/63+45/15 4/63+9/75 28/63+9/15 4/63+63/15