Add 9/15 and 30/28
1st number: 9/15, 2nd number: 1 2/28
9/15 + 30/28 is 117/70.
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,
30/28 = 30 × 15/28 × 15 = 450/420 - Add the two like fractions:
252/420 + 450/420 = 252 + 450/420 = 702/420 - 702/420 simplified gives 117/70
- So, 9/15 + 30/28 = 117/70
In mixed form: 147/70
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