Add 12/18 and 15/30
12/18 + 15/30 is 7/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
12/18 = 12 × 5/18 × 5 = 60/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
15/30 = 15 × 3/30 × 3 = 45/90 - Add the two like fractions:
60/90 + 45/90 = 60 + 45/90 = 105/90 - 105/90 simplified gives 7/6
- So, 12/18 + 15/30 = 7/6
In mixed form: 11/6
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