Subtract 45/7 from 64/5
1st number: 12 4/5, 2nd number: 6 3/7
64/5 - 45/7 is 223/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 7 is 35
Next, find the equivalent fraction of both fractional numbers with denominator 35 - For the 1st fraction, since 5 × 7 = 35,
64/5 = 64 × 7/5 × 7 = 448/35 - Likewise, for the 2nd fraction, since 7 × 5 = 35,
45/7 = 45 × 5/7 × 5 = 225/35 - Subtract the two like fractions:
448/35 - 225/35 = 448 - 225/35 = 223/35 - In mixed form: 613/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/5-90/7 64/10-45/7 64/5-45/14 64/15-45/7 64/5-45/21 64/25-45/7 64/5-45/35 64/35-45/7 64/5-45/49