Subtract 10/28 from 90/25
1st number: 3 15/25, 2nd number: 10/28
90/25 - 10/28 is 227/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 28 is 700
Next, find the equivalent fraction of both fractional numbers with denominator 700 - For the 1st fraction, since 25 × 28 = 700,
90/25 = 90 × 28/25 × 28 = 2520/700 - Likewise, for the 2nd fraction, since 28 × 25 = 700,
10/28 = 10 × 25/28 × 25 = 250/700 - Subtract the two like fractions:
2520/700 - 250/700 = 2520 - 250/700 = 2270/700 - After reducing the fraction, the answer is 227/70
- In mixed form: 317/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/25-20/28 90/50-10/28 90/25-10/56 90/25-30/28 90/75-10/28 90/25-10/84 90/25-50/28 90/25-70/28