Subtract 9/40 from 28/6
1st number: 4 4/6, 2nd number: 9/40
28/6 - 9/40 is 533/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 6 × 20 = 120,
28/6 = 28 × 20/6 × 20 = 560/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
9/40 = 9 × 3/40 × 3 = 27/120 - Subtract the two like fractions:
560/120 - 27/120 = 560 - 27/120 = 533/120 - In mixed form: 453/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/6-9/40 28/6-18/40 28/12-9/40 28/6-9/80 84/6-9/40 28/6-27/40 28/18-9/40 28/6-45/40 28/30-9/40 28/6-63/40 28/42-9/40