Add 21/56 and 56/49, Solve 21/56 + 1 7/49 as a fraction

Add 21/56 and 56/49

1^st number: 21/56, 2^nd number: 1 7/49

21/56 + 56/49 is 85/56.

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

Next, find the equivalent fraction of both fractional numbers with denominator 392
For the 1st fraction, since 56 × 7 = 392,
21/56 = 21 × 7/56 × 7 = 147/392
Likewise, for the 2nd fraction, since 49 × 8 = 392,
56/49 = 56 × 8/49 × 8 = 448/392
Add the two like fractions:
147/392 + 448/392 = 147 + 448/392 = 595/392
595/392 simplified gives 85/56
So, 21/56 + 56/49 = 85/56
In mixed form: 129/56

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