Add 12/15 and 21/75
12/15 + 21/75 is 27/25.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 75 is 75
Next, find the equivalent fraction of both fractional numbers with denominator 75 - For the 1st fraction, since 15 × 5 = 75,
12/15 = 12 × 5/15 × 5 = 60/75 - Likewise, for the 2nd fraction, since 75 × 1 = 75,
21/75 = 21 × 1/75 × 1 = 21/75 - Add the two like fractions:
60/75 + 21/75 = 60 + 21/75 = 81/75 - 81/75 simplified gives 27/25
- So, 12/15 + 21/75 = 27/25
In mixed form: 12/25
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