Add 28/15 and 70/60
1st number: 1 13/15, 2nd number: 1 10/60
28/15 + 70/60 is 91/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 60 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 60 × 1 = 60,
70/60 = 70 × 1/60 × 1 = 70/60 - Add the two like fractions:
112/60 + 70/60 = 112 + 70/60 = 182/60 - 182/60 simplified gives 91/30
- So, 28/15 + 70/60 = 91/30
In mixed form: 31/30
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