Subtract 42/28 from 10/75
1st number: 10/75, 2nd number: 1 14/28
10/75 - 42/28 is -41/30.
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,
10/75 = 10 × 28/75 × 28 = 280/2100 - Likewise, for the 2nd fraction, since 28 × 75 = 2100,
42/28 = 42 × 75/28 × 75 = 3150/2100 - Subtract the two like fractions:
280/2100 - 3150/2100 = 280 - 3150/2100 = -2870/2100 - After reducing the fraction, the answer is -41/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/75-42/28 10/75-84/28 10/75-42/56 30/75-42/28 10/75-42/84 50/75-42/28 70/75-42/28