Subtract 1/45 from 90/9
1st number: 10 0/9, 2nd number: 1/45
90/9 - 1/45 is 449/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
90/9 = 90 × 5/9 × 5 = 450/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
1/45 = 1 × 1/45 × 1 = 1/45 - Subtract the two like fractions:
450/45 - 1/45 = 450 - 1/45 = 449/45 - In mixed form: 944/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/9-2/45 90/18-1/45 90/9-1/90 90/9-3/45 90/27-1/45 90/9-5/45 90/45-1/45 90/9-7/45 90/63-1/45