Add 21/49 and 80/56, Solve 21/49 + 1 24/56 as a fraction

Add 21/49 and 80/56

1^st number: 21/49, 2^nd number: 1 24/56

21/49 + 80/56 is 13/7.

Find the least common denominator or LCM of the two denominators:
LCM of 49 and 56 is 392

Next, find the equivalent fraction of both fractional numbers with denominator 392
For the 1st fraction, since 49 × 8 = 392,
21/49 = 21 × 8/49 × 8 = 168/392
Likewise, for the 2nd fraction, since 56 × 7 = 392,
80/56 = 80 × 7/56 × 7 = 560/392
Add the two like fractions:
168/392 + 560/392 = 168 + 560/392 = 728/392
728/392 simplified gives 13/7
So, 21/49 + 80/56 = 13/7
In mixed form: 16/7

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