Subtract 30/45 from 75/5
1st number: 15 0/5, 2nd number: 30/45
75/5 - 30/45 is 43/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 5 × 9 = 45,
75/5 = 75 × 9/5 × 9 = 675/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
30/45 = 30 × 1/45 × 1 = 30/45 - Subtract the two like fractions:
675/45 - 30/45 = 675 - 30/45 = 645/45 - After reducing the fraction, the answer is 43/3
- In mixed form: 141/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/5-60/45 75/10-30/45 75/5-30/90 75/5-90/45 75/15-30/45 75/25-30/45 75/35-30/45