Subtract 28/45 from 10/5
1st number: 2 0/5, 2nd number: 28/45
10/5 - 28/45 is 62/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 5 × 9 = 45,
10/5 = 10 × 9/5 × 9 = 90/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
28/45 = 28 × 1/45 × 1 = 28/45 - Subtract the two like fractions:
90/45 - 28/45 = 90 - 28/45 = 62/45 - In mixed form: 117/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/5-28/45 10/5-56/45 10/5-28/90 30/5-28/45 10/5-84/45 10/15-28/45 50/5-28/45 10/25-28/45 70/5-28/45 10/35-28/45