Add 15/40 and 18/24
15/40 + 18/24 is 9/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
15/40 = 15 × 3/40 × 3 = 45/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
18/24 = 18 × 5/24 × 5 = 90/120 - Add the two like fractions:
45/120 + 90/120 = 45 + 90/120 = 135/120 - 135/120 simplified gives 9/8
- So, 15/40 + 18/24 = 9/8
In mixed form: 11/8
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