Add 15/12 and 70/15
1st number: 1 3/12, 2nd number: 4 10/15
15/12 + 70/15 is 71/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
15/12 = 15 × 5/12 × 5 = 75/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
70/15 = 70 × 4/15 × 4 = 280/60 - Add the two like fractions:
75/60 + 280/60 = 75 + 280/60 = 355/60 - 355/60 simplified gives 71/12
- So, 15/12 + 70/15 = 71/12
In mixed form: 511/12
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