Subtract 21/9 from 35/64
1st number: 35/64, 2nd number: 2 3/9
35/64 - 21/9 is -343/192.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 9 is 576
Next, find the equivalent fraction of both fractional numbers with denominator 576 - For the 1st fraction, since 64 × 9 = 576,
35/64 = 35 × 9/64 × 9 = 315/576 - Likewise, for the 2nd fraction, since 9 × 64 = 576,
21/9 = 21 × 64/9 × 64 = 1344/576 - Subtract the two like fractions:
315/576 - 1344/576 = 315 - 1344/576 = -1029/576 - After reducing the fraction, the answer is -343/192
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/64-21/9 35/64-42/9 35/64-21/18 35/64-63/9 35/64-21/27 35/64-21/45 35/64-21/63