Add 12/15 and 15/20
12/15 + 15/20 is 31/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
12/15 = 12 × 4/15 × 4 = 48/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
15/20 = 15 × 3/20 × 3 = 45/60 - Add the two like fractions:
48/60 + 45/60 = 48 + 45/60 = 93/60 - 93/60 simplified gives 31/20
- So, 12/15 + 15/20 = 31/20
In mixed form: 111/20
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