Add 15/12 and 25/40
1st number: 1 3/12, 2nd number: 25/40
15/12 + 25/40 is 15/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 12 × 10 = 120,
15/12 = 15 × 10/12 × 10 = 150/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
25/40 = 25 × 3/40 × 3 = 75/120 - Add the two like fractions:
150/120 + 75/120 = 150 + 75/120 = 225/120 - 225/120 simplified gives 15/8
- So, 15/12 + 25/40 = 15/8
In mixed form: 17/8
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