Subtract 90/6 from 30/90
1st number: 30/90, 2nd number: 15 0/6
30/90 - 90/6 is -44/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 6 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
30/90 = 30 × 1/90 × 1 = 30/90 - Likewise, for the 2nd fraction, since 6 × 15 = 90,
90/6 = 90 × 15/6 × 15 = 1350/90 - Subtract the two like fractions:
30/90 - 1350/90 = 30 - 1350/90 = -1320/90 - After reducing the fraction, the answer is -44/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/90-90/6 30/90-90/12 30/90-90/18 30/90-90/30 30/90-90/42