Subtract 4/9 from 54/7
1st number: 7 5/7, 2nd number: 4/9
54/7 - 4/9 is 458/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 7 × 9 = 63,
54/7 = 54 × 9/7 × 9 = 486/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
4/9 = 4 × 7/9 × 7 = 28/63 - Subtract the two like fractions:
486/63 - 28/63 = 486 - 28/63 = 458/63 - In mixed form: 717/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/7-8/9 54/14-4/9 54/7-4/18 54/7-12/9 54/21-4/9 54/7-4/27 54/7-20/9 54/35-4/9 54/7-4/45 54/7-28/9 54/49-4/9 54/7-4/63