Subtract 20/24 from 30/64
30/64 - 20/24 is -35/96.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 24 is 192
Next, find the equivalent fraction of both fractional numbers with denominator 192 - For the 1st fraction, since 64 × 3 = 192,
30/64 = 30 × 3/64 × 3 = 90/192 - Likewise, for the 2nd fraction, since 24 × 8 = 192,
20/24 = 20 × 8/24 × 8 = 160/192 - Subtract the two like fractions:
90/192 - 160/192 = 90 - 160/192 = -70/192 - After reducing the fraction, the answer is -35/96
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