Subtract 45/8 from 10/40
1st number: 10/40, 2nd number: 5 5/8
10/40 - 45/8 is -43/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
10/40 = 10 × 1/40 × 1 = 10/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
45/8 = 45 × 5/8 × 5 = 225/40 - Subtract the two like fractions:
10/40 - 225/40 = 10 - 225/40 = -215/40 - After reducing the fraction, the answer is -43/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/40-45/8 10/40-90/8 10/80-45/8 10/40-45/16 30/40-45/8 10/40-45/24 50/40-45/8 10/40-45/40 70/40-45/8 10/40-45/56