Add 12/15 and 3/5
12/15 + 3/5 is 7/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 5 is 15
Next, find the equivalent fraction of both fractional numbers with denominator 15 - For the 1st fraction, since 15 × 1 = 15,
12/15 = 12 × 1/15 × 1 = 12/15 - Likewise, for the 2nd fraction, since 5 × 3 = 15,
3/5 = 3 × 3/5 × 3 = 9/15 - Add the two like fractions:
12/15 + 9/15 = 12 + 9/15 = 21/15 - 21/15 simplified gives 7/5
- So, 12/15 + 3/5 = 7/5
In mixed form: 12/5
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