Add 15/2 and 12/30
1st number: 7 1/2, 2nd number: 12/30
15/2 + 12/30 is 79/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 30 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 30 × 1 = 30,
12/30 = 12 × 1/30 × 1 = 12/30 - Add the two like fractions:
225/30 + 12/30 = 225 + 12/30 = 237/30 - 237/30 simplified gives 79/10
- So, 15/2 + 12/30 = 79/10
In mixed form: 79/10
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