Add 84/6 and 40/7, Solve 14 0/6 + 5 5/7 as a fraction

Add 84/6 and 40/7

1^st number: 14 0/6, 2^nd number: 5 5/7

84/6 + 40/7 is 138/7.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 7 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 6 × 7 = 42,
84/6 = 84 × 7/6 × 7 = 588/42
Likewise, for the 2nd fraction, since 7 × 6 = 42,
40/7 = 40 × 6/7 × 6 = 240/42
Add the two like fractions:
588/42 + 240/42 = 588 + 240/42 = 828/42
828/42 simplified gives 138/7
So, 84/6 + 40/7 = 138/7
In mixed form: 195/7

MathStep (Works offline)

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