Subtract 24/5 from 40/45
1st number: 40/45, 2nd number: 4 4/5
40/45 - 24/5 is -176/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 5 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
40/45 = 40 × 1/45 × 1 = 40/45 - Likewise, for the 2nd fraction, since 5 × 9 = 45,
24/5 = 24 × 9/5 × 9 = 216/45 - Subtract the two like fractions:
40/45 - 216/45 = 40 - 216/45 = -176/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/45-24/5 40/45-48/5 40/90-24/5 40/45-24/10 40/45-72/5 40/45-24/15 40/45-24/25 40/45-24/35