Subtract 56/28 from 1/90
1st number: 1/90, 2nd number: 2 0/28
1/90 - 56/28 is -179/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 28 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 90 × 14 = 1260,
1/90 = 1 × 14/90 × 14 = 14/1260 - Likewise, for the 2nd fraction, since 28 × 45 = 1260,
56/28 = 56 × 45/28 × 45 = 2520/1260 - Subtract the two like fractions:
14/1260 - 2520/1260 = 14 - 2520/1260 = -2506/1260 - After reducing the fraction, the answer is -179/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/90-56/28 3/90-56/28 1/90-56/84 5/90-56/28 7/90-56/28