Subtract 20/25 from 45/8
1st number: 5 5/8, 2nd number: 20/25
45/8 - 20/25 is 193/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 25 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 8 × 25 = 200,
45/8 = 45 × 25/8 × 25 = 1125/200 - Likewise, for the 2nd fraction, since 25 × 8 = 200,
20/25 = 20 × 8/25 × 8 = 160/200 - Subtract the two like fractions:
1125/200 - 160/200 = 1125 - 160/200 = 965/200 - After reducing the fraction, the answer is 193/40
- In mixed form: 433/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/8-20/25 45/8-40/25 45/16-20/25 45/8-20/50 45/8-60/25 45/24-20/25 45/8-20/75 45/40-20/25 45/56-20/25