Subtract 54/90 from 50/15
1st number: 3 5/15, 2nd number: 54/90
50/15 - 54/90 is 41/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 15 × 6 = 90,
50/15 = 50 × 6/15 × 6 = 300/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
54/90 = 54 × 1/90 × 1 = 54/90 - Subtract the two like fractions:
300/90 - 54/90 = 300 - 54/90 = 246/90 - After reducing the fraction, the answer is 41/15
- In mixed form: 211/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/30-54/90 50/45-54/90 50/75-54/90