Subtract 45/25 from 9/4
1st number: 2 1/4, 2nd number: 1 20/25
9/4 - 45/25 is 9/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 25 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 4 × 25 = 100,
9/4 = 9 × 25/4 × 25 = 225/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
45/25 = 45 × 4/25 × 4 = 180/100 - Subtract the two like fractions:
225/100 - 180/100 = 225 - 180/100 = 45/100 - After reducing the fraction, the answer is 9/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/4-45/25 9/4-90/25 9/8-45/25 9/4-45/50 27/4-45/25 9/12-45/25 9/4-45/75 45/4-45/25 9/20-45/25 63/4-45/25 9/28-45/25