Add 84/27 and 42/63
1st number: 3 3/27, 2nd number: 42/63
84/27 + 42/63 is 34/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 63 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 27 × 7 = 189,
84/27 = 84 × 7/27 × 7 = 588/189 - Likewise, for the 2nd fraction, since 63 × 3 = 189,
42/63 = 42 × 3/63 × 3 = 126/189 - Add the two like fractions:
588/189 + 126/189 = 588 + 126/189 = 714/189 - 714/189 simplified gives 34/9
- So, 84/27 + 42/63 = 34/9
In mixed form: 37/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/27+84/63 84/54+42/63 84/81+42/63