Subtract 4/45 from 90/6
1st number: 15 0/6, 2nd number: 4/45
90/6 - 4/45 is 671/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 6 × 15 = 90,
90/6 = 90 × 15/6 × 15 = 1350/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
4/45 = 4 × 2/45 × 2 = 8/90 - Subtract the two like fractions:
1350/90 - 8/90 = 1350 - 8/90 = 1342/90 - After reducing the fraction, the answer is 671/45
- In mixed form: 1441/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/6-8/45 90/12-4/45 90/6-4/90 90/6-12/45 90/18-4/45 90/6-20/45 90/30-4/45 90/6-28/45 90/42-4/45