Add 40/24 and 21/84, Solve 1 16/24 + 21/84 as a fraction

Add 40/24 and 21/84

1^st number: 1 16/24, 2^nd number: 21/84

40/24 + 21/84 is 23/12.

Find the least common denominator or LCM of the two denominators:
LCM of 24 and 84 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 24 × 7 = 168,
40/24 = 40 × 7/24 × 7 = 280/168
Likewise, for the 2nd fraction, since 84 × 2 = 168,
21/84 = 21 × 2/84 × 2 = 42/168
Add the two like fractions:
280/168 + 42/168 = 280 + 42/168 = 322/168
322/168 simplified gives 23/12
So, 40/24 + 21/84 = 23/12
In mixed form: 111/12

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