Add 21/30 and 70/7, Solve 21/30 + 10 0/7 as a fraction

Add 21/30 and 70/7

1^st number: 21/30, 2^nd number: 10 0/7

21/30 + 70/7 is 107/10.

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,
21/30 = 21 × 7/30 × 7 = 147/210
Likewise, for the 2nd fraction, since 7 × 30 = 210,
70/7 = 70 × 30/7 × 30 = 2100/210
Add the two like fractions:
147/210 + 2100/210 = 147 + 2100/210 = 2247/210
2247/210 simplified gives 107/10
So, 21/30 + 70/7 = 107/10
In mixed form: 107/10

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