Add 63/42 and 9/48, Solve 1 21/42 + 9/48 as a fraction

Add 63/42 and 9/48

1^st number: 1 21/42, 2^nd number: 9/48

63/42 + 9/48 is 27/16.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 48 is 336

Next, find the equivalent fraction of both fractional numbers with denominator 336
For the 1st fraction, since 42 × 8 = 336,
63/42 = 63 × 8/42 × 8 = 504/336
Likewise, for the 2nd fraction, since 48 × 7 = 336,
9/48 = 9 × 7/48 × 7 = 63/336
Add the two like fractions:
504/336 + 63/336 = 504 + 63/336 = 567/336
567/336 simplified gives 27/16
So, 63/42 + 9/48 = 27/16
In mixed form: 111/16

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