Subtract 15/56 from 90/3
1st number: 30 0/3, 2nd number: 15/56
90/3 - 15/56 is 1665/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 3 × 56 = 168,
90/3 = 90 × 56/3 × 56 = 5040/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
15/56 = 15 × 3/56 × 3 = 45/168 - Subtract the two like fractions:
5040/168 - 45/168 = 5040 - 45/168 = 4995/168 - After reducing the fraction, the answer is 1665/56
- In mixed form: 2941/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/3-30/56 90/6-15/56 90/3-45/56 90/9-15/56 90/3-75/56 90/15-15/56 90/21-15/56