Subtract 30/60 from 30/64
30/64 - 30/60 is -1/32.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 60 is 960
Next, find the equivalent fraction of both fractional numbers with denominator 960 - For the 1st fraction, since 64 × 15 = 960,
30/64 = 30 × 15/64 × 15 = 450/960 - Likewise, for the 2nd fraction, since 60 × 16 = 960,
30/60 = 30 × 16/60 × 16 = 480/960 - Subtract the two like fractions:
450/960 - 480/960 = 450 - 480/960 = -30/960 - After reducing the fraction, the answer is -1/32
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