Subtract 1/20 from 5/64
5/64 - 1/20 is 9/320.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 20 is 320
Next, find the equivalent fraction of both fractional numbers with denominator 320 - For the 1st fraction, since 64 × 5 = 320,
5/64 = 5 × 5/64 × 5 = 25/320 - Likewise, for the 2nd fraction, since 20 × 16 = 320,
1/20 = 1 × 16/20 × 16 = 16/320 - Subtract the two like fractions:
25/320 - 16/320 = 25 - 16/320 = 9/320
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/64-1/20 5/64-2/20 5/64-1/40 15/64-1/20 5/64-3/20 5/64-1/60 25/64-1/20 5/64-5/20 35/64-1/20 5/64-7/20