Add 8/28 and 70/30, Solve 8/28 + 2 10/30 as a fraction

Add 8/28 and 70/30

1^st number: 8/28, 2^nd number: 2 10/30

8/28 + 70/30 is 55/21.

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 30 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 28 × 15 = 420,
8/28 = 8 × 15/28 × 15 = 120/420
Likewise, for the 2nd fraction, since 30 × 14 = 420,
70/30 = 70 × 14/30 × 14 = 980/420
Add the two like fractions:
120/420 + 980/420 = 120 + 980/420 = 1100/420
1100/420 simplified gives 55/21
So, 8/28 + 70/30 = 55/21
In mixed form: 213/21

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