Add 9/84 and 56/7, Solve 9/84 + 8 0/7 as a fraction

Add 9/84 and 56/7

1^st number: 9/84, 2^nd number: 8 0/7

9/84 + 56/7 is 227/28.

Find the least common denominator or LCM of the two denominators:
LCM of 84 and 7 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 84 × 1 = 84,
9/84 = 9 × 1/84 × 1 = 9/84
Likewise, for the 2nd fraction, since 7 × 12 = 84,
56/7 = 56 × 12/7 × 12 = 672/84
Add the two like fractions:
9/84 + 672/84 = 9 + 672/84 = 681/84
681/84 simplified gives 227/28
So, 9/84 + 56/7 = 227/28
In mixed form: 83/28

MathStep (Works offline)

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