Add 21/7 and 7/10, Solve 3 0/7 + 7/10 as a fraction

Add 21/7 and 7/10

1^st number: 3 0/7, 2^nd number: 7/10

21/7 + 7/10 is 37/10.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 10 is 70

Next, find the equivalent fraction of both fractional numbers with denominator 70
For the 1st fraction, since 7 × 10 = 70,
21/7 = 21 × 10/7 × 10 = 210/70
Likewise, for the 2nd fraction, since 10 × 7 = 70,
7/10 = 7 × 7/10 × 7 = 49/70
Add the two like fractions:
210/70 + 49/70 = 210 + 49/70 = 259/70
259/70 simplified gives 37/10
So, 21/7 + 7/10 = 37/10
In mixed form: 37/10

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