Subtract 9/64 from 9/7
1st number: 1 2/7, 2nd number: 9/64
9/7 - 9/64 is 513/448.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 64 is 448
Next, find the equivalent fraction of both fractional numbers with denominator 448 - For the 1st fraction, since 7 × 64 = 448,
9/7 = 9 × 64/7 × 64 = 576/448 - Likewise, for the 2nd fraction, since 64 × 7 = 448,
9/64 = 9 × 7/64 × 7 = 63/448 - Subtract the two like fractions:
576/448 - 63/448 = 576 - 63/448 = 513/448 - In mixed form: 165/448
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/7-9/64 9/7-18/64 9/14-9/64 27/7-9/64 9/7-27/64 9/21-9/64 45/7-9/64 9/7-45/64 9/35-9/64 63/7-9/64 9/7-63/64 9/49-9/64