Add 9/15 and 70/28
1st number: 9/15, 2nd number: 2 14/28
9/15 + 70/28 is 31/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 15 × 28 = 420,
9/15 = 9 × 28/15 × 28 = 252/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
70/28 = 70 × 15/28 × 15 = 1050/420 - Add the two like fractions:
252/420 + 1050/420 = 252 + 1050/420 = 1302/420 - 1302/420 simplified gives 31/10
- So, 9/15 + 70/28 = 31/10
In mixed form: 31/10
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