Add 15/24 and 45/40
1st number: 15/24, 2nd number: 1 5/40
15/24 + 45/40 is 7/4.
Steps for adding fractions
- 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,
45/40 = 45 × 3/40 × 3 = 135/120 - Add the two like fractions:
75/120 + 135/120 = 75 + 135/120 = 210/120 - 210/120 simplified gives 7/4
- So, 15/24 + 45/40 = 7/4
In mixed form: 13/4
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