Subtract 75/7 from 50/9
1st number: 5 5/9, 2nd number: 10 5/7
50/9 - 75/7 is -325/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 7 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 9 × 7 = 63,
50/9 = 50 × 7/9 × 7 = 350/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
75/7 = 75 × 9/7 × 9 = 675/63 - Subtract the two like fractions:
350/63 - 675/63 = 350 - 675/63 = -325/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/18-75/7 50/9-75/14 50/27-75/7 50/9-75/21 50/45-75/7 50/9-75/35 50/63-75/7 50/9-75/49