Add 15/40 and 70/12
1st number: 15/40, 2nd number: 5 10/12
15/40 + 70/12 is 149/24.
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,
70/12 = 70 × 10/12 × 10 = 700/120 - Add the two like fractions:
45/120 + 700/120 = 45 + 700/120 = 745/120 - 745/120 simplified gives 149/24
- So, 15/40 + 70/12 = 149/24
In mixed form: 65/24
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