Subtract 50/30 from 10/90
1st number: 10/90, 2nd number: 1 20/30
10/90 - 50/30 is -14/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
10/90 = 10 × 1/90 × 1 = 10/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
50/30 = 50 × 3/30 × 3 = 150/90 - Subtract the two like fractions:
10/90 - 150/90 = 10 - 150/90 = -140/90 - After reducing the fraction, the answer is -14/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/90-50/30 10/90-50/60 30/90-50/30 10/90-50/90 50/90-50/30 70/90-50/30