Add 63/21 and 4/10, Solve 3 0/21 + 4/10 as a fraction

Add 63/21 and 4/10

1^st number: 3 0/21, 2^nd number: 4/10

63/21 + 4/10 is 17/5.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 10 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 21 × 10 = 210,
63/21 = 63 × 10/21 × 10 = 630/210
Likewise, for the 2nd fraction, since 10 × 21 = 210,
4/10 = 4 × 21/10 × 21 = 84/210
Add the two like fractions:
630/210 + 84/210 = 630 + 84/210 = 714/210
714/210 simplified gives 17/5
So, 63/21 + 4/10 = 17/5
In mixed form: 32/5

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