Subtract 30/90 from 90/6
1st number: 15 0/6, 2nd number: 30/90
90/6 - 30/90 is 44/3.
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,
90/6 = 90 × 15/6 × 15 = 1350/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
30/90 = 30 × 1/90 × 1 = 30/90 - Subtract the two like fractions:
1350/90 - 30/90 = 1350 - 30/90 = 1320/90 - After reducing the fraction, the answer is 44/3
- In mixed form: 142/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/6-60/90 90/12-30/90 90/18-30/90 90/30-30/90 90/42-30/90