Subtract 90/6 from 42/64
1st number: 42/64, 2nd number: 15 0/6
42/64 - 90/6 is -459/32.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 6 is 192
Next, find the equivalent fraction of both fractional numbers with denominator 192 - For the 1st fraction, since 64 × 3 = 192,
42/64 = 42 × 3/64 × 3 = 126/192 - Likewise, for the 2nd fraction, since 6 × 32 = 192,
90/6 = 90 × 32/6 × 32 = 2880/192 - Subtract the two like fractions:
126/192 - 2880/192 = 126 - 2880/192 = -2754/192 - After reducing the fraction, the answer is -459/32
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