Subtract 45/30 from 75/5
1st number: 15 0/5, 2nd number: 1 15/30
75/5 - 45/30 is 27/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 5 × 6 = 30,
75/5 = 75 × 6/5 × 6 = 450/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
45/30 = 45 × 1/30 × 1 = 45/30 - Subtract the two like fractions:
450/30 - 45/30 = 450 - 45/30 = 405/30 - After reducing the fraction, the answer is 27/2
- In mixed form: 131/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/5-90/30 75/10-45/30 75/5-45/60 75/15-45/30 75/5-45/90 75/25-45/30 75/35-45/30