Subtract 75/45 from 10/5
1st number: 2 0/5, 2nd number: 1 30/45
10/5 - 75/45 is 1/3.
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,
75/45 = 75 × 1/45 × 1 = 75/45 - Subtract the two like fractions:
90/45 - 75/45 = 90 - 75/45 = 15/45 - After reducing the fraction, the answer is 1/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/5-75/45 10/5-75/90 30/5-75/45 10/15-75/45 50/5-75/45 10/25-75/45 70/5-75/45 10/35-75/45