Subtract 42/64 from 2/4
2/4 - 42/64 is -5/32.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 64 is 64
Next, find the equivalent fraction of both fractional numbers with denominator 64 - For the 1st fraction, since 4 × 16 = 64,
2/4 = 2 × 16/4 × 16 = 32/64 - Likewise, for the 2nd fraction, since 64 × 1 = 64,
42/64 = 42 × 1/64 × 1 = 42/64 - Subtract the two like fractions:
32/64 - 42/64 = 32 - 42/64 = -10/64 - After reducing the fraction, the answer is -5/32
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