Subtract 5/72 from 90/6
1st number: 15 0/6, 2nd number: 5/72
90/6 - 5/72 is 1075/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 6 × 12 = 72,
90/6 = 90 × 12/6 × 12 = 1080/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
5/72 = 5 × 1/72 × 1 = 5/72 - Subtract the two like fractions:
1080/72 - 5/72 = 1080 - 5/72 = 1075/72 - In mixed form: 1467/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/6-10/72 90/12-5/72 90/6-15/72 90/18-5/72 90/6-25/72 90/30-5/72 90/6-35/72 90/42-5/72