Add 63/21 and 12/10, Solve 3 0/21 + 1 2/10 as a fraction

Add 63/21 and 12/10

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

63/21 + 12/10 is 21/5.

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,
12/10 = 12 × 21/10 × 21 = 252/210
Add the two like fractions:
630/210 + 252/210 = 630 + 252/210 = 882/210
882/210 simplified gives 21/5
So, 63/21 + 12/10 = 21/5
In mixed form: 41/5

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