Add 16/7 and 80/8, Solve 2 2/7 + 10 0/8 as a fraction

Add 16/7 and 80/8

1^st number: 2 2/7, 2^nd number: 10 0/8

16/7 + 80/8 is 86/7.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 8 is 56

Next, find the equivalent fraction of both fractional numbers with denominator 56
For the 1st fraction, since 7 × 8 = 56,
16/7 = 16 × 8/7 × 8 = 128/56
Likewise, for the 2nd fraction, since 8 × 7 = 56,
80/8 = 80 × 7/8 × 7 = 560/56
Add the two like fractions:
128/56 + 560/56 = 128 + 560/56 = 688/56
688/56 simplified gives 86/7
So, 16/7 + 80/8 = 86/7
In mixed form: 122/7

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