Add 4/63 and 9/21
4/63 + 9/21 is 31/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 21 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
4/63 = 4 × 1/63 × 1 = 4/63 - Likewise, for the 2nd fraction, since 21 × 3 = 63,
9/21 = 9 × 3/21 × 3 = 27/63 - Add the two like fractions:
4/63 + 27/63 = 4 + 27/63 = 31/63 - So, 4/63 + 9/21 = 31/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/63+9/21 4/63+18/21 4/63+9/42 12/63+9/21 4/63+27/21 4/63+9/63 20/63+9/21 4/63+45/21 28/63+9/21 4/63+63/21