Add 42/7 and 63/27
1st number: 6 0/7, 2nd number: 2 9/27
42/7 + 63/27 is 25/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 27 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 7 × 27 = 189,
42/7 = 42 × 27/7 × 27 = 1134/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
63/27 = 63 × 7/27 × 7 = 441/189 - Add the two like fractions:
1134/189 + 441/189 = 1134 + 441/189 = 1575/189 - 1575/189 simplified gives 25/3
- So, 42/7 + 63/27 = 25/3
In mixed form: 81/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/7+63/27 42/14+63/27 42/7+63/54 42/21+63/27 42/7+63/81 42/35+63/27 42/49+63/27