Subtract 6/90 from 45/10
1st number: 4 5/10, 2nd number: 6/90
45/10 - 6/90 is 133/30.
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,
45/10 = 45 × 9/10 × 9 = 405/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
6/90 = 6 × 1/90 × 1 = 6/90 - Subtract the two like fractions:
405/90 - 6/90 = 405 - 6/90 = 399/90 - After reducing the fraction, the answer is 133/30
- In mixed form: 413/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/10-6/90 45/10-12/90 45/20-6/90 45/10-18/90 45/30-6/90 45/10-30/90 45/50-6/90 45/10-42/90 45/70-6/90