Subtract 7/45 from 90/6
1st number: 15 0/6, 2nd number: 7/45
90/6 - 7/45 is 668/45.
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,
7/45 = 7 × 2/45 × 2 = 14/90 - Subtract the two like fractions:
1350/90 - 14/90 = 1350 - 14/90 = 1336/90 - After reducing the fraction, the answer is 668/45
- In mixed form: 1438/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/6-14/45 90/12-7/45 90/6-7/90 90/6-21/45 90/18-7/45 90/6-35/45 90/30-7/45 90/6-49/45 90/42-7/45