Add 70/12 and 28/15
1st number: 5 10/12, 2nd number: 1 13/15
70/12 + 28/15 is 77/10.
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,
70/12 = 70 × 5/12 × 5 = 350/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
28/15 = 28 × 4/15 × 4 = 112/60 - Add the two like fractions:
350/60 + 112/60 = 350 + 112/60 = 462/60 - 462/60 simplified gives 77/10
- So, 70/12 + 28/15 = 77/10
In mixed form: 77/10
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