Add 8/7 and 6/27, Solve 1 1/7 + 6/27 as a fraction

Add 8/7 and 6/27

1^st number: 1 1/7, 2^nd number: 6/27

8/7 + 6/27 is 86/63.

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,
8/7 = 8 × 27/7 × 27 = 216/189
Likewise, for the 2nd fraction, since 27 × 7 = 189,
6/27 = 6 × 7/27 × 7 = 42/189
Add the two like fractions:
216/189 + 42/189 = 216 + 42/189 = 258/189
258/189 simplified gives 86/63
So, 8/7 + 6/27 = 86/63
In mixed form: 123/63

MathStep (Works offline)

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