Add 21/5 and 56/7, Solve 4 1/5 + 8 0/7 as a fraction

Add 21/5 and 56/7

1^st number: 4 1/5, 2^nd number: 8 0/7

21/5 + 56/7 is 61/5.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 7 is 35

Next, find the equivalent fraction of both fractional numbers with denominator 35
For the 1st fraction, since 5 × 7 = 35,
21/5 = 21 × 7/5 × 7 = 147/35
Likewise, for the 2nd fraction, since 7 × 5 = 35,
56/7 = 56 × 5/7 × 5 = 280/35
Add the two like fractions:
147/35 + 280/35 = 147 + 280/35 = 427/35
427/35 simplified gives 61/5
So, 21/5 + 56/7 = 61/5
In mixed form: 121/5

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