Subtract 50/45 from 72/9
1st number: 8 0/9, 2nd number: 1 5/45
72/9 - 50/45 is 62/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 45 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 45 × 1 = 45,
50/45 = 50 × 1/45 × 1 = 50/45 - Subtract the two like fractions:
360/45 - 50/45 = 360 - 50/45 = 310/45 - After reducing the fraction, the answer is 62/9
- In mixed form: 68/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/18-50/45 72/9-50/90 72/27-50/45 72/45-50/45 72/63-50/45