Subtract 20/64 from 1/49
1/49 - 20/64 is -229/784.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 64 is 3136
Next, find the equivalent fraction of both fractional numbers with denominator 3136 - For the 1st fraction, since 49 × 64 = 3136,
1/49 = 1 × 64/49 × 64 = 64/3136 - Likewise, for the 2nd fraction, since 64 × 49 = 3136,
20/64 = 20 × 49/64 × 49 = 980/3136 - Subtract the two like fractions:
64/3136 - 980/3136 = 64 - 980/3136 = -916/3136 - After reducing the fraction, the answer is -229/784
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