Add 96/21 and 42/24, Solve 4 12/21 + 1 18/24 as a fraction

Add 96/21 and 42/24

1^st number: 4 12/21, 2^nd number: 1 18/24

96/21 + 42/24 is 177/28.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 24 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 21 × 8 = 168,
96/21 = 96 × 8/21 × 8 = 768/168
Likewise, for the 2nd fraction, since 24 × 7 = 168,
42/24 = 42 × 7/24 × 7 = 294/168
Add the two like fractions:
768/168 + 294/168 = 768 + 294/168 = 1062/168
1062/168 simplified gives 177/28
So, 96/21 + 42/24 = 177/28
In mixed form: 69/28

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