Add 15/2 and 72/9
1st number: 7 1/2, 2nd number: 8 0/9
15/2 + 72/9 is 31/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 2 × 9 = 18,
15/2 = 15 × 9/2 × 9 = 135/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
72/9 = 72 × 2/9 × 2 = 144/18 - Add the two like fractions:
135/18 + 144/18 = 135 + 144/18 = 279/18 - 279/18 simplified gives 31/2
- So, 15/2 + 72/9 = 31/2
In mixed form: 151/2
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