Subtract 3/40 from 40/8
1st number: 5 0/8, 2nd number: 3/40
40/8 - 3/40 is 197/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
40/8 = 40 × 5/8 × 5 = 200/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
3/40 = 3 × 1/40 × 1 = 3/40 - Subtract the two like fractions:
200/40 - 3/40 = 200 - 3/40 = 197/40 - In mixed form: 437/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/8-3/40 40/8-6/40 40/16-3/40 40/8-3/80 40/8-9/40 40/24-3/40 40/8-15/40 40/8-21/40 40/56-3/40