Add 42/56 and 30/7, Solve 42/56 + 4 2/7 as a fraction

Add 42/56 and 30/7

1^st number: 42/56, 2^nd number: 4 2/7

42/56 + 30/7 is 141/28.

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

Next, find the equivalent fraction of both fractional numbers with denominator 56
For the 1st fraction, since 56 × 1 = 56,
42/56 = 42 × 1/56 × 1 = 42/56
Likewise, for the 2nd fraction, since 7 × 8 = 56,
30/7 = 30 × 8/7 × 8 = 240/56
Add the two like fractions:
42/56 + 240/56 = 42 + 240/56 = 282/56
282/56 simplified gives 141/28
So, 42/56 + 30/7 = 141/28
In mixed form: 51/28

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