Add 15/2 and 9/15
1st number: 7 1/2, 2nd number: 9/15
15/2 + 9/15 is 81/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 2 × 15 = 30,
15/2 = 15 × 15/2 × 15 = 225/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
9/15 = 9 × 2/15 × 2 = 18/30 - Add the two like fractions:
225/30 + 18/30 = 225 + 18/30 = 243/30 - 243/30 simplified gives 81/10
- So, 15/2 + 9/15 = 81/10
In mixed form: 81/10
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