Add 63/42 and 6/8, Solve 1 21/42 + 6/8 as a fraction

Add 63/42 and 6/8

1^st number: 1 21/42, 2^nd number: 6/8

63/42 + 6/8 is 9/4.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 8 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 42 × 4 = 168,
63/42 = 63 × 4/42 × 4 = 252/168
Likewise, for the 2nd fraction, since 8 × 21 = 168,
6/8 = 6 × 21/8 × 21 = 126/168
Add the two like fractions:
252/168 + 126/168 = 252 + 126/168 = 378/168
378/168 simplified gives 9/4
So, 63/42 + 6/8 = 9/4
In mixed form: 21/4

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