Subtract 5/90 from 30/10
1st number: 3 0/10, 2nd number: 5/90
30/10 - 5/90 is 53/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
30/10 = 30 × 9/10 × 9 = 270/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
5/90 = 5 × 1/90 × 1 = 5/90 - Subtract the two like fractions:
270/90 - 5/90 = 270 - 5/90 = 265/90 - After reducing the fraction, the answer is 53/18
- In mixed form: 217/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/10-5/90 30/10-10/90 30/20-5/90 90/10-5/90 30/10-15/90 30/10-25/90 30/50-5/90 30/10-35/90 30/70-5/90