Subtract 7/9 from 75/5
1st number: 15 0/5, 2nd number: 7/9
75/5 - 7/9 is 128/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 5 × 9 = 45,
75/5 = 75 × 9/5 × 9 = 675/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
7/9 = 7 × 5/9 × 5 = 35/45 - Subtract the two like fractions:
675/45 - 35/45 = 675 - 35/45 = 640/45 - After reducing the fraction, the answer is 128/9
- In mixed form: 142/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/5-14/9 75/10-7/9 75/5-7/18 75/5-21/9 75/15-7/9 75/5-7/27 75/5-35/9 75/25-7/9 75/5-7/45 75/5-49/9 75/35-7/9 75/5-7/63