Add 15/24 and 27/40, Solve 15/24 + 27/40 as a fraction

Add 15/24 and 27/40

15/24 + 27/40 is 13/10.

Find the least common denominator or LCM of the two denominators:
LCM of 24 and 40 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 24 × 5 = 120,
15/24 = 15 × 5/24 × 5 = 75/120
Likewise, for the 2nd fraction, since 40 × 3 = 120,
27/40 = 27 × 3/40 × 3 = 81/120
Add the two like fractions:
75/120 + 81/120 = 75 + 81/120 = 156/120
156/120 simplified gives 13/10
So, 15/24 + 27/40 = 13/10
In mixed form: 13/10

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