Add 56/84 and 80/70, Solve 56/84 + 1 10/70 as a fraction

Add 56/84 and 80/70

1^st number: 56/84, 2^nd number: 1 10/70

56/84 + 80/70 is 38/21.

Find the least common denominator or LCM of the two denominators:
LCM of 84 and 70 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 84 × 5 = 420,
56/84 = 56 × 5/84 × 5 = 280/420
Likewise, for the 2nd fraction, since 70 × 6 = 420,
80/70 = 80 × 6/70 × 6 = 480/420
Add the two like fractions:
280/420 + 480/420 = 280 + 480/420 = 760/420
760/420 simplified gives 38/21
So, 56/84 + 80/70 = 38/21
In mixed form: 117/21

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