Add 20/30 and 7/15
20/30 + 7/15 is 17/15.
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,
20/30 = 20 × 1/30 × 1 = 20/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
7/15 = 7 × 2/15 × 2 = 14/30 - Add the two like fractions:
20/30 + 14/30 = 20 + 14/30 = 34/30 - 34/30 simplified gives 17/15
- So, 20/30 + 7/15 = 17/15
In mixed form: 12/15
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