Subtract 10/5 from 72/9
1st number: 8 0/9, 2nd number: 2 0/5
72/9 - 10/5 is 6/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 5 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
72/9 = 72 × 5/9 × 5 = 360/45 - Likewise, for the 2nd fraction, since 5 × 9 = 45,
10/5 = 10 × 9/5 × 9 = 90/45 - Subtract the two like fractions:
360/45 - 90/45 = 360 - 90/45 = 270/45 - After reducing the fraction, the answer is 6/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/9-20/5 72/18-10/5 72/9-30/5 72/27-10/5 72/9-10/15 72/9-50/5 72/45-10/5 72/9-10/25 72/9-70/5 72/63-10/5 72/9-10/35