Subtract 80/60 from 45/25
1st number: 1 20/25, 2nd number: 1 20/60
45/25 - 80/60 is 7/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 60 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 25 × 12 = 300,
45/25 = 45 × 12/25 × 12 = 540/300 - Likewise, for the 2nd fraction, since 60 × 5 = 300,
80/60 = 80 × 5/60 × 5 = 400/300 - Subtract the two like fractions:
540/300 - 400/300 = 540 - 400/300 = 140/300 - After reducing the fraction, the answer is 7/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/25-80/60 45/50-80/60 45/75-80/60