Add 30/27 and 63/7
1st number: 1 3/27, 2nd number: 9 0/7
30/27 + 63/7 is 91/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 7 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 27 × 7 = 189,
30/27 = 30 × 7/27 × 7 = 210/189 - Likewise, for the 2nd fraction, since 7 × 27 = 189,
63/7 = 63 × 27/7 × 27 = 1701/189 - Add the two like fractions:
210/189 + 1701/189 = 210 + 1701/189 = 1911/189 - 1911/189 simplified gives 91/9
- So, 30/27 + 63/7 = 91/9
In mixed form: 101/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/27+63/7 30/54+63/7 30/27+63/14 90/27+63/7 30/81+63/7 30/27+63/21 30/27+63/35 30/27+63/49