Subtract 75/5 from 15/4
1st number: 3 3/4, 2nd number: 15 0/5
15/4 - 75/5 is -45/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
15/4 = 15 × 5/4 × 5 = 75/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
75/5 = 75 × 4/5 × 4 = 300/20 - Subtract the two like fractions:
75/20 - 300/20 = 75 - 300/20 = -225/20 - After reducing the fraction, the answer is -45/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/4-75/5 15/8-75/5 15/4-75/10 45/4-75/5 15/12-75/5 15/4-75/15 75/4-75/5 15/20-75/5 15/4-75/25 15/28-75/5 15/4-75/35