Subtract 3/90 from 30/6
1st number: 5 0/6, 2nd number: 3/90
30/6 - 3/90 is 149/30.
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,
30/6 = 30 × 15/6 × 15 = 450/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
3/90 = 3 × 1/90 × 1 = 3/90 - Subtract the two like fractions:
450/90 - 3/90 = 450 - 3/90 = 447/90 - After reducing the fraction, the answer is 149/30
- In mixed form: 429/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/6-3/90 30/6-6/90 30/12-3/90 90/6-3/90 30/6-9/90 30/18-3/90 30/6-15/90 30/6-21/90 30/42-3/90