Add 15/63 and 20/27
15/63 + 20/27 is 185/189.
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,
15/63 = 15 × 3/63 × 3 = 45/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
20/27 = 20 × 7/27 × 7 = 140/189 - Add the two like fractions:
45/189 + 140/189 = 45 + 140/189 = 185/189 - So, 15/63 + 20/27 = 185/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/63+20/27 15/63+40/27 15/63+20/54 45/63+20/27 15/63+60/27 15/63+20/81 75/63+20/27