Subtract 18/9 from 24/45
1st number: 24/45, 2nd number: 2 0/9
24/45 - 18/9 is -22/15.
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,
24/45 = 24 × 1/45 × 1 = 24/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
18/9 = 18 × 5/9 × 5 = 90/45 - Subtract the two like fractions:
24/45 - 90/45 = 24 - 90/45 = -66/45 - After reducing the fraction, the answer is -22/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/45-18/9 24/45-36/9 24/90-18/9 72/45-18/9 24/45-54/9 24/45-18/27 24/45-90/9 24/45-18/45 24/45-18/63