Add 90/42 and 27/56, Solve 2 6/42 + 27/56 as a fraction

Add 90/42 and 27/56

1^st number: 2 6/42, 2^nd number: 27/56

90/42 + 27/56 is 21/8.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 56 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 42 × 4 = 168,
90/42 = 90 × 4/42 × 4 = 360/168
Likewise, for the 2nd fraction, since 56 × 3 = 168,
27/56 = 27 × 3/56 × 3 = 81/168
Add the two like fractions:
360/168 + 81/168 = 360 + 81/168 = 441/168
441/168 simplified gives 21/8
So, 90/42 + 27/56 = 21/8
In mixed form: 25/8

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