Subtract 4/8 from 45/9
1st number: 5 0/9, 2nd number: 4/8
45/9 - 4/8 is 9/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
45/9 = 45 × 8/9 × 8 = 360/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
4/8 = 4 × 9/8 × 9 = 36/72 - Subtract the two like fractions:
360/72 - 36/72 = 360 - 36/72 = 324/72 - After reducing the fraction, the answer is 9/2
- In mixed form: 41/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/9-4/8 45/18-4/8 45/9-4/16 45/9-12/8 45/27-4/8 45/9-4/24 45/9-20/8 45/9-4/40 45/9-28/8 45/63-4/8 45/9-4/56