Add 70/30 and 5/7, Solve 2 10/30 + 5/7 as a fraction

Add 70/30 and 5/7

1^st number: 2 10/30, 2^nd number: 5/7

70/30 + 5/7 is 64/21.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 7 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 30 × 7 = 210,
70/30 = 70 × 7/30 × 7 = 490/210
Likewise, for the 2nd fraction, since 7 × 30 = 210,
5/7 = 5 × 30/7 × 30 = 150/210
Add the two like fractions:
490/210 + 150/210 = 490 + 150/210 = 640/210
640/210 simplified gives 64/21
So, 70/30 + 5/7 = 64/21
In mixed form: 31/21

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