Subtract 21/64 from 40/3
1st number: 13 1/3, 2nd number: 21/64
40/3 - 21/64 is 2497/192.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 64 is 192
Next, find the equivalent fraction of both fractional numbers with denominator 192 - For the 1st fraction, since 3 × 64 = 192,
40/3 = 40 × 64/3 × 64 = 2560/192 - Likewise, for the 2nd fraction, since 64 × 3 = 192,
21/64 = 21 × 3/64 × 3 = 63/192 - Subtract the two like fractions:
2560/192 - 63/192 = 2560 - 63/192 = 2497/192 - In mixed form: 131/192
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/3-21/64 40/3-42/64 40/6-21/64 40/3-63/64 40/9-21/64 40/15-21/64 40/21-21/64