Add 10/24 and 63/42, Solve 10/24 + 1 21/42 as a fraction

Add 10/24 and 63/42

1^st number: 10/24, 2^nd number: 1 21/42

10/24 + 63/42 is 23/12.

Find the least common denominator or LCM of the two denominators:
LCM of 24 and 42 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 24 × 7 = 168,
10/24 = 10 × 7/24 × 7 = 70/168
Likewise, for the 2nd fraction, since 42 × 4 = 168,
63/42 = 63 × 4/42 × 4 = 252/168
Add the two like fractions:
70/168 + 252/168 = 70 + 252/168 = 322/168
322/168 simplified gives 23/12
So, 10/24 + 63/42 = 23/12
In mixed form: 111/12

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