Subtract 6/90 from 10/28
10/28 - 6/90 is 61/210.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 90 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 28 × 45 = 1260,
10/28 = 10 × 45/28 × 45 = 450/1260 - Likewise, for the 2nd fraction, since 90 × 14 = 1260,
6/90 = 6 × 14/90 × 14 = 84/1260 - Subtract the two like fractions:
450/1260 - 84/1260 = 450 - 84/1260 = 366/1260 - After reducing the fraction, the answer is 61/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/28-6/90 10/28-12/90 10/56-6/90 30/28-6/90 10/28-18/90 10/84-6/90 50/28-6/90 10/28-30/90 70/28-6/90 10/28-42/90