Subtract 6/40 from 45/5
1st number: 9 0/5, 2nd number: 6/40
45/5 - 6/40 is 177/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
45/5 = 45 × 8/5 × 8 = 360/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
6/40 = 6 × 1/40 × 1 = 6/40 - Subtract the two like fractions:
360/40 - 6/40 = 360 - 6/40 = 354/40 - After reducing the fraction, the answer is 177/20
- In mixed form: 817/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/5-6/40 45/5-12/40 45/10-6/40 45/5-6/80 45/5-18/40 45/15-6/40 45/5-30/40 45/25-6/40 45/5-42/40 45/35-6/40