Subtract 6/36 from 90/30
1st number: 3 0/30, 2nd number: 6/36
90/30 - 6/36 is 17/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 30 × 6 = 180,
90/30 = 90 × 6/30 × 6 = 540/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
6/36 = 6 × 5/36 × 5 = 30/180 - Subtract the two like fractions:
540/180 - 30/180 = 540 - 30/180 = 510/180 - After reducing the fraction, the answer is 17/6
- In mixed form: 25/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/30-12/36 90/60-6/36 90/30-6/72 90/30-18/36 90/30-30/36 90/30-42/36