Subtract 1/64 from 4/7
4/7 - 1/64 is 249/448.
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,
4/7 = 4 × 64/7 × 64 = 256/448 - Likewise, for the 2nd fraction, since 64 × 7 = 448,
1/64 = 1 × 7/64 × 7 = 7/448 - Subtract the two like fractions:
256/448 - 7/448 = 256 - 7/448 = 249/448
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/7-1/64 4/7-2/64 4/14-1/64 12/7-1/64 4/7-3/64 4/21-1/64 20/7-1/64 4/7-5/64 4/35-1/64 28/7-1/64 4/7-7/64 4/49-1/64