Add 8/7 and 80/16, Solve 1 1/7 + 5 0/16 as a fraction

Add 8/7 and 80/16

1^st number: 1 1/7, 2^nd number: 5 0/16

8/7 + 80/16 is 43/7.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 16 is 112

Next, find the equivalent fraction of both fractional numbers with denominator 112
For the 1st fraction, since 7 × 16 = 112,
8/7 = 8 × 16/7 × 16 = 128/112
Likewise, for the 2nd fraction, since 16 × 7 = 112,
80/16 = 80 × 7/16 × 7 = 560/112
Add the two like fractions:
128/112 + 560/112 = 128 + 560/112 = 688/112
688/112 simplified gives 43/7
So, 8/7 + 80/16 = 43/7
In mixed form: 61/7

MathStep (Works offline)

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