Add 15/28 and 9/30
15/28 + 9/30 is 117/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 30 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
15/28 = 15 × 15/28 × 15 = 225/420 - Likewise, for the 2nd fraction, since 30 × 14 = 420,
9/30 = 9 × 14/30 × 14 = 126/420 - Add the two like fractions:
225/420 + 126/420 = 225 + 126/420 = 351/420 - 351/420 simplified gives 117/140
- So, 15/28 + 9/30 = 117/140
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