Subtract 21/15 from 2/12
1st number: 2/12, 2nd number: 1 6/15
2/12 - 21/15 is -37/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
2/12 = 2 × 5/12 × 5 = 10/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
21/15 = 21 × 4/15 × 4 = 84/60 - Subtract the two like fractions:
10/60 - 84/60 = 10 - 84/60 = -74/60 - After reducing the fraction, the answer is -37/30
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