Subtract 16/45 from 45/2
1st number: 22 1/2, 2nd number: 16/45
45/2 - 16/45 is 1993/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 2 × 45 = 90,
45/2 = 45 × 45/2 × 45 = 2025/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
16/45 = 16 × 2/45 × 2 = 32/90 - Subtract the two like fractions:
2025/90 - 32/90 = 2025 - 32/90 = 1993/90 - In mixed form: 2213/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/2-16/45 45/2-32/45 45/4-16/45 45/2-16/90 45/2-48/45 45/6-16/45 45/2-80/45 45/10-16/45 45/14-16/45