Add 15/40 and 4/12
15/40 + 4/12 is 17/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 12 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 12 × 10 = 120,
4/12 = 4 × 10/12 × 10 = 40/120 - Add the two like fractions:
45/120 + 40/120 = 45 + 40/120 = 85/120 - 85/120 simplified gives 17/24
- So, 15/40 + 4/12 = 17/24
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