Subtract 56/28 from 5/45
1st number: 5/45, 2nd number: 2 0/28
5/45 - 56/28 is -17/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 28 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 45 × 28 = 1260,
5/45 = 5 × 28/45 × 28 = 140/1260 - Likewise, for the 2nd fraction, since 28 × 45 = 1260,
56/28 = 56 × 45/28 × 45 = 2520/1260 - Subtract the two like fractions:
140/1260 - 2520/1260 = 140 - 2520/1260 = -2380/1260 - After reducing the fraction, the answer is -17/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/45-56/28 5/90-56/28 15/45-56/28 5/45-56/84 25/45-56/28 35/45-56/28