Add 72/56 and 90/75, Solve 1 16/56 + 1 15/75 as a fraction

Add 72/56 and 90/75

1^st number: 1 16/56, 2^nd number: 1 15/75

72/56 + 90/75 is 87/35.

Find the least common denominator or LCM of the two denominators:
LCM of 56 and 75 is 4200

Next, find the equivalent fraction of both fractional numbers with denominator 4200
For the 1st fraction, since 56 × 75 = 4200,
72/56 = 72 × 75/56 × 75 = 5400/4200
Likewise, for the 2nd fraction, since 75 × 56 = 4200,
90/75 = 90 × 56/75 × 56 = 5040/4200
Add the two like fractions:
5400/4200 + 5040/4200 = 5400 + 5040/4200 = 10440/4200
10440/4200 simplified gives 87/35
So, 72/56 + 90/75 = 87/35
In mixed form: 217/35

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