Add 80/7 and 28/36, Solve 11 3/7 + 28/36 as a fraction

Add 80/7 and 28/36

1^st number: 11 3/7, 2^nd number: 28/36

80/7 + 28/36 is 769/63.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 36 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 7 × 36 = 252,
80/7 = 80 × 36/7 × 36 = 2880/252
Likewise, for the 2nd fraction, since 36 × 7 = 252,
28/36 = 28 × 7/36 × 7 = 196/252
Add the two like fractions:
2880/252 + 196/252 = 2880 + 196/252 = 3076/252
3076/252 simplified gives 769/63
So, 80/7 + 28/36 = 769/63
In mixed form: 1213/63

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