Subtract 8/28 from 45/5
1st number: 9 0/5, 2nd number: 8/28
45/5 - 8/28 is 61/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 5 × 28 = 140,
45/5 = 45 × 28/5 × 28 = 1260/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
8/28 = 8 × 5/28 × 5 = 40/140 - Subtract the two like fractions:
1260/140 - 40/140 = 1260 - 40/140 = 1220/140 - After reducing the fraction, the answer is 61/7
- In mixed form: 85/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/5-8/28 45/5-16/28 45/10-8/28 45/5-8/56 45/5-24/28 45/15-8/28 45/5-8/84 45/5-40/28 45/25-8/28 45/5-56/28 45/35-8/28