Subtract 7/90 from 45/6
1st number: 7 3/6, 2nd number: 7/90
45/6 - 7/90 is 334/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 6 × 15 = 90,
45/6 = 45 × 15/6 × 15 = 675/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
7/90 = 7 × 1/90 × 1 = 7/90 - Subtract the two like fractions:
675/90 - 7/90 = 675 - 7/90 = 668/90 - After reducing the fraction, the answer is 334/45
- In mixed form: 719/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/6-7/90 45/6-14/90 45/12-7/90 45/6-21/90 45/18-7/90 45/6-35/90 45/30-7/90 45/6-49/90 45/42-7/90