Subtract 3/64 from 8/27
8/27 - 3/64 is 431/1728.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 64 is 1728
Next, find the equivalent fraction of both fractional numbers with denominator 1728 - For the 1st fraction, since 27 × 64 = 1728,
8/27 = 8 × 64/27 × 64 = 512/1728 - Likewise, for the 2nd fraction, since 64 × 27 = 1728,
3/64 = 3 × 27/64 × 27 = 81/1728 - Subtract the two like fractions:
512/1728 - 81/1728 = 512 - 81/1728 = 431/1728
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/27-3/64 8/27-6/64 8/54-3/64 24/27-3/64 8/27-9/64 8/81-3/64 40/27-3/64 8/27-15/64 56/27-3/64 8/27-21/64