Add 18/24 and 45/40
1st number: 18/24, 2nd number: 1 5/40
18/24 + 45/40 is 15/8.
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,
18/24 = 18 × 5/24 × 5 = 90/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
45/40 = 45 × 3/40 × 3 = 135/120 - Add the two like fractions:
90/120 + 135/120 = 90 + 135/120 = 225/120 - 225/120 simplified gives 15/8
- So, 18/24 + 45/40 = 15/8
In mixed form: 17/8
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