Subtract 45/60 from 9/4
1st number: 2 1/4, 2nd number: 45/60
9/4 - 45/60 is 3/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 4 × 15 = 60,
9/4 = 9 × 15/4 × 15 = 135/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
45/60 = 45 × 1/60 × 1 = 45/60 - Subtract the two like fractions:
135/60 - 45/60 = 135 - 45/60 = 90/60 - After reducing the fraction, the answer is 3/2
- In mixed form: 11/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/4-45/60 9/4-90/60 9/8-45/60 27/4-45/60 9/12-45/60 45/4-45/60 9/20-45/60 63/4-45/60 9/28-45/60