Subtract 49/64 from 3/7
3/7 - 49/64 is -151/448.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 64 is 448
Next, find the equivalent fraction of both fractional numbers with denominator 448 - For the 1st fraction, since 7 × 64 = 448,
3/7 = 3 × 64/7 × 64 = 192/448 - Likewise, for the 2nd fraction, since 64 × 7 = 448,
49/64 = 49 × 7/64 × 7 = 343/448 - Subtract the two like fractions:
192/448 - 343/448 = 192 - 343/448 = -151/448
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