Subtract 18/63 from 45/64
45/64 - 18/63 is 187/448.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 63 is 4032
Next, find the equivalent fraction of both fractional numbers with denominator 4032 - For the 1st fraction, since 64 × 63 = 4032,
45/64 = 45 × 63/64 × 63 = 2835/4032 - Likewise, for the 2nd fraction, since 63 × 64 = 4032,
18/63 = 18 × 64/63 × 64 = 1152/4032 - Subtract the two like fractions:
2835/4032 - 1152/4032 = 2835 - 1152/4032 = 1683/4032 - After reducing the fraction, the answer is 187/448
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