Subtract 5/64 from 4/7
4/7 - 5/64 is 221/448.
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,
5/64 = 5 × 7/64 × 7 = 35/448 - Subtract the two like fractions:
256/448 - 35/448 = 256 - 35/448 = 221/448
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/7-5/64 4/7-10/64 4/14-5/64 12/7-5/64 4/7-15/64 4/21-5/64 20/7-5/64 4/7-25/64 4/35-5/64 28/7-5/64 4/7-35/64 4/49-5/64