Add 40/24 and 21/36, Solve 1 16/24 + 21/36 as a fraction

Add 40/24 and 21/36

1^st number: 1 16/24, 2^nd number: 21/36

40/24 + 21/36 is 9/4.

Find the least common denominator or LCM of the two denominators:
LCM of 24 and 36 is 72

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 24 × 3 = 72,
40/24 = 40 × 3/24 × 3 = 120/72
Likewise, for the 2nd fraction, since 36 × 2 = 72,
21/36 = 21 × 2/36 × 2 = 42/72
Add the two like fractions:
120/72 + 42/72 = 120 + 42/72 = 162/72
162/72 simplified gives 9/4
So, 40/24 + 21/36 = 9/4
In mixed form: 21/4

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