Add 27/63 and 42/27
1st number: 27/63, 2nd number: 1 15/27
27/63 + 42/27 is 125/63.
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,
27/63 = 27 × 3/63 × 3 = 81/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
42/27 = 42 × 7/27 × 7 = 294/189 - Add the two like fractions:
81/189 + 294/189 = 81 + 294/189 = 375/189 - 375/189 simplified gives 125/63
- So, 27/63 + 42/27 = 125/63
In mixed form: 162/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/63+42/27 27/63+84/27 27/63+42/54 81/63+42/27 27/63+42/81