Subtract 5/9 from 45/64
45/64 - 5/9 is 85/576.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 9 is 576
Next, find the equivalent fraction of both fractional numbers with denominator 576 - For the 1st fraction, since 64 × 9 = 576,
45/64 = 45 × 9/64 × 9 = 405/576 - Likewise, for the 2nd fraction, since 9 × 64 = 576,
5/9 = 5 × 64/9 × 64 = 320/576 - Subtract the two like fractions:
405/576 - 320/576 = 405 - 320/576 = 85/576
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/64-5/9 45/64-10/9 45/64-5/18 45/64-15/9 45/64-5/27 45/64-25/9 45/64-5/45 45/64-35/9 45/64-5/63