Subtract 35/28 from 40/75
1st number: 40/75, 2nd number: 1 7/28
40/75 - 35/28 is -43/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 28 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 75 × 28 = 2100,
40/75 = 40 × 28/75 × 28 = 1120/2100 - Likewise, for the 2nd fraction, since 28 × 75 = 2100,
35/28 = 35 × 75/28 × 75 = 2625/2100 - Subtract the two like fractions:
1120/2100 - 2625/2100 = 1120 - 2625/2100 = -1505/2100 - After reducing the fraction, the answer is -43/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/75-35/28 40/75-70/28 40/75-35/56 40/75-35/84