Subtract 75/9 from 30/45
1st number: 30/45, 2nd number: 8 3/9
30/45 - 75/9 is -23/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
30/45 = 30 × 1/45 × 1 = 30/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
75/9 = 75 × 5/9 × 5 = 375/45 - Subtract the two like fractions:
30/45 - 375/45 = 30 - 375/45 = -345/45 - After reducing the fraction, the answer is -23/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/45-75/9 30/90-75/9 30/45-75/18 90/45-75/9 30/45-75/27 30/45-75/45 30/45-75/63