Add 56/70 and 42/30, Solve 56/70 + 1 12/30 as a fraction

Add 56/70 and 42/30

1^st number: 56/70, 2^nd number: 1 12/30

56/70 + 42/30 is 11/5.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 30 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 70 × 3 = 210,
56/70 = 56 × 3/70 × 3 = 168/210
Likewise, for the 2nd fraction, since 30 × 7 = 210,
42/30 = 42 × 7/30 × 7 = 294/210
Add the two like fractions:
168/210 + 294/210 = 168 + 294/210 = 462/210
462/210 simplified gives 11/5
So, 56/70 + 42/30 = 11/5
In mixed form: 21/5

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