Subtract 45/8 from 45/4
1st number: 11 1/4, 2nd number: 5 5/8
45/4 - 45/8 is 45/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 8 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8 - For the 1st fraction, since 4 × 2 = 8,
45/4 = 45 × 2/4 × 2 = 90/8 - Likewise, for the 2nd fraction, since 8 × 1 = 8,
45/8 = 45 × 1/8 × 1 = 45/8 - Subtract the two like fractions:
90/8 - 45/8 = 90 - 45/8 = 45/8 - In mixed form: 55/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/4-45/8 45/4-90/8 45/8-45/8 45/4-45/16 45/12-45/8 45/4-45/24 45/20-45/8 45/4-45/40 45/28-45/8 45/4-45/56