Add 1/63 and 21/27
1/63 + 21/27 is 50/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 27 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 63 × 3 = 189,
1/63 = 1 × 3/63 × 3 = 3/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
21/27 = 21 × 7/27 × 7 = 147/189 - Add the two like fractions:
3/189 + 147/189 = 3 + 147/189 = 150/189 - 150/189 simplified gives 50/63
- So, 1/63 + 21/27 = 50/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/63+21/27 1/63+42/27 1/63+21/54 3/63+21/27 1/63+63/27 1/63+21/81 5/63+21/27 7/63+21/27