Add 60/27 and 84/63, Solve 2 6/27 + 1 21/63 as a fraction

Add 60/27 and 84/63

1^st number: 2 6/27, 2^nd number: 1 21/63

60/27 + 84/63 is 32/9.

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,
60/27 = 60 × 7/27 × 7 = 420/189
Likewise, for the 2nd fraction, since 63 × 3 = 189,
84/63 = 84 × 3/63 × 3 = 252/189
Add the two like fractions:
420/189 + 252/189 = 420 + 252/189 = 672/189
672/189 simplified gives 32/9
So, 60/27 + 84/63 = 32/9
In mixed form: 35/9

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad