Subtract 63/70 from 27/64
27/64 - 63/70 is -153/320.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 70 is 2240
Next, find the equivalent fraction of both fractional numbers with denominator 2240 - For the 1st fraction, since 64 × 35 = 2240,
27/64 = 27 × 35/64 × 35 = 945/2240 - Likewise, for the 2nd fraction, since 70 × 32 = 2240,
63/70 = 63 × 32/70 × 32 = 2016/2240 - Subtract the two like fractions:
945/2240 - 2016/2240 = 945 - 2016/2240 = -1071/2240 - After reducing the fraction, the answer is -153/320
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