Subtract 21/64 from 9/3
1st number: 3 0/3, 2nd number: 21/64
9/3 - 21/64 is 171/64.
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,
9/3 = 9 × 64/3 × 64 = 576/192 - Likewise, for the 2nd fraction, since 64 × 3 = 192,
21/64 = 21 × 3/64 × 3 = 63/192 - Subtract the two like fractions:
576/192 - 63/192 = 576 - 63/192 = 513/192 - After reducing the fraction, the answer is 171/64
- In mixed form: 243/64
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/3-21/64 9/3-42/64 9/6-21/64 27/3-21/64 9/3-63/64 45/3-21/64 9/15-21/64 63/3-21/64 9/21-21/64