Add 28/15 and 70/12
1st number: 1 13/15, 2nd number: 5 10/12
28/15 + 70/12 is 77/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
28/15 = 28 × 4/15 × 4 = 112/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
70/12 = 70 × 5/12 × 5 = 350/60 - Add the two like fractions:
112/60 + 350/60 = 112 + 350/60 = 462/60 - 462/60 simplified gives 77/10
- So, 28/15 + 70/12 = 77/10
In mixed form: 77/10
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