Add 63/42 and 10/12, Solve 1 21/42 + 10/12 as a fraction

Add 63/42 and 10/12

1^st number: 1 21/42, 2^nd number: 10/12

63/42 + 10/12 is 7/3.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 12 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 42 × 2 = 84,
63/42 = 63 × 2/42 × 2 = 126/84
Likewise, for the 2nd fraction, since 12 × 7 = 84,
10/12 = 10 × 7/12 × 7 = 70/84
Add the two like fractions:
126/84 + 70/84 = 126 + 70/84 = 196/84
196/84 simplified gives 7/3
So, 63/42 + 10/12 = 7/3
In mixed form: 21/3

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