Subtract 45/70 from 64/35
1st number: 1 29/35, 2nd number: 45/70
64/35 - 45/70 is 83/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 35 × 2 = 70,
64/35 = 64 × 2/35 × 2 = 128/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
45/70 = 45 × 1/70 × 1 = 45/70 - Subtract the two like fractions:
128/70 - 45/70 = 128 - 45/70 = 83/70 - In mixed form: 113/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/35-90/70 64/70-45/70