Subtract 18/49 from 9/64
9/64 - 18/49 is -711/3136.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 49 is 3136
Next, find the equivalent fraction of both fractional numbers with denominator 3136 - For the 1st fraction, since 64 × 49 = 3136,
9/64 = 9 × 49/64 × 49 = 441/3136 - Likewise, for the 2nd fraction, since 49 × 64 = 3136,
18/49 = 18 × 64/49 × 64 = 1152/3136 - Subtract the two like fractions:
441/3136 - 1152/3136 = 441 - 1152/3136 = -711/3136
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