Subtract 10/40 from 28/3
1st number: 9 1/3, 2nd number: 10/40
28/3 - 10/40 is 109/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 3 × 40 = 120,
28/3 = 28 × 40/3 × 40 = 1120/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
10/40 = 10 × 3/40 × 3 = 30/120 - Subtract the two like fractions:
1120/120 - 30/120 = 1120 - 30/120 = 1090/120 - After reducing the fraction, the answer is 109/12
- In mixed form: 91/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/3-10/40 28/3-20/40 28/6-10/40 28/3-10/80 84/3-10/40 28/3-30/40 28/9-10/40 28/3-50/40 28/15-10/40 28/3-70/40 28/21-10/40