Add 42/56 and 81/6, Solve 42/56 + 13 3/6 as a fraction

Add 42/56 and 81/6

1^st number: 42/56, 2^nd number: 13 3/6

42/56 + 81/6 is 57/4.

Find the least common denominator or LCM of the two denominators:
LCM of 56 and 6 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 56 × 3 = 168,
42/56 = 42 × 3/56 × 3 = 126/168
Likewise, for the 2nd fraction, since 6 × 28 = 168,
81/6 = 81 × 28/6 × 28 = 2268/168
Add the two like fractions:
126/168 + 2268/168 = 126 + 2268/168 = 2394/168
2394/168 simplified gives 57/4
So, 42/56 + 81/6 = 57/4
In mixed form: 141/4

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