Subtract 75/25 from 21/4
1st number: 5 1/4, 2nd number: 3 0/25
21/4 - 75/25 is 9/4.
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,
21/4 = 21 × 25/4 × 25 = 525/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
75/25 = 75 × 4/25 × 4 = 300/100 - Subtract the two like fractions:
525/100 - 300/100 = 525 - 300/100 = 225/100 - After reducing the fraction, the answer is 9/4
- In mixed form: 21/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/4-75/25 21/8-75/25 21/4-75/50 63/4-75/25 21/12-75/25 21/20-75/25 21/28-75/25