Subtract 8/15 from 30/60
30/60 - 8/15 is -1/30.
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,
30/60 = 30 × 1/60 × 1 = 30/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
8/15 = 8 × 4/15 × 4 = 32/60 - Subtract the two like fractions:
30/60 - 32/60 = 30 - 32/60 = -2/60 - After reducing the fraction, the answer is -1/30
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