Subtract 18/75 from 40/28
1st number: 1 12/28, 2nd number: 18/75
40/28 - 18/75 is 208/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 75 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 28 × 75 = 2100,
40/28 = 40 × 75/28 × 75 = 3000/2100 - Likewise, for the 2nd fraction, since 75 × 28 = 2100,
18/75 = 18 × 28/75 × 28 = 504/2100 - Subtract the two like fractions:
3000/2100 - 504/2100 = 3000 - 504/2100 = 2496/2100 - After reducing the fraction, the answer is 208/175
- In mixed form: 133/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/28-18/75 40/28-36/75 40/56-18/75 40/28-54/75 40/84-18/75 40/28-90/75