Subtract 4/10 from 45/25
1st number: 1 20/25, 2nd number: 4/10
45/25 - 4/10 is 7/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 10 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 25 × 2 = 50,
45/25 = 45 × 2/25 × 2 = 90/50 - Likewise, for the 2nd fraction, since 10 × 5 = 50,
4/10 = 4 × 5/10 × 5 = 20/50 - Subtract the two like fractions:
90/50 - 20/50 = 90 - 20/50 = 70/50 - After reducing the fraction, the answer is 7/5
- In mixed form: 12/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/25-4/10 45/25-8/10 45/50-4/10 45/25-4/20 45/25-12/10 45/75-4/10 45/25-4/30 45/25-20/10 45/25-4/50 45/25-28/10 45/25-4/70