Add 18/30 and 12/15
18/30 + 12/15 is 7/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
18/30 = 18 × 1/30 × 1 = 18/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
12/15 = 12 × 2/15 × 2 = 24/30 - Add the two like fractions:
18/30 + 24/30 = 18 + 24/30 = 42/30 - 42/30 simplified gives 7/5
- So, 18/30 + 12/15 = 7/5
In mixed form: 12/5
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