Subtract 20/63 from 54/9
1st number: 6 0/9, 2nd number: 20/63
54/9 - 20/63 is 358/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 9 × 7 = 63,
54/9 = 54 × 7/9 × 7 = 378/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
20/63 = 20 × 1/63 × 1 = 20/63 - Subtract the two like fractions:
378/63 - 20/63 = 378 - 20/63 = 358/63 - In mixed form: 543/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/9-40/63 54/18-20/63 54/9-60/63 54/27-20/63 54/45-20/63 54/63-20/63