Subtract 42/64 from 3/6
3/6 - 42/64 is -5/32.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 64 is 192
Next, find the equivalent fraction of both fractional numbers with denominator 192 - For the 1st fraction, since 6 × 32 = 192,
3/6 = 3 × 32/6 × 32 = 96/192 - Likewise, for the 2nd fraction, since 64 × 3 = 192,
42/64 = 42 × 3/64 × 3 = 126/192 - Subtract the two like fractions:
96/192 - 126/192 = 96 - 126/192 = -30/192 - After reducing the fraction, the answer is -5/32
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