Subtract 45/40 from 10/35
1st number: 10/35, 2nd number: 1 5/40
10/35 - 45/40 is -47/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 35 × 8 = 280,
10/35 = 10 × 8/35 × 8 = 80/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
45/40 = 45 × 7/40 × 7 = 315/280 - Subtract the two like fractions:
80/280 - 315/280 = 80 - 315/280 = -235/280 - After reducing the fraction, the answer is -47/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/35-45/40 10/35-90/40 10/70-45/40 10/35-45/80 30/35-45/40 50/35-45/40 70/35-45/40