Subtract 42/12 from 49/15
1st number: 3 4/15, 2nd number: 3 6/12
49/15 - 42/12 is -7/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
49/15 = 49 × 4/15 × 4 = 196/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
42/12 = 42 × 5/12 × 5 = 210/60 - Subtract the two like fractions:
196/60 - 210/60 = 196 - 210/60 = -14/60 - After reducing the fraction, the answer is -7/30
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