Subtract 21/15 from 50/60
1st number: 50/60, 2nd number: 1 6/15
50/60 - 21/15 is -17/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 60 × 1 = 60,
50/60 = 50 × 1/60 × 1 = 50/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
21/15 = 21 × 4/15 × 4 = 84/60 - Subtract the two like fractions:
50/60 - 84/60 = 50 - 84/60 = -34/60 - After reducing the fraction, the answer is -17/30
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