Subtract 1/9 from 72/63
1st number: 1 9/63, 2nd number: 1/9
72/63 - 1/9 is 65/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
72/63 = 72 × 1/63 × 1 = 72/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
1/9 = 1 × 7/9 × 7 = 7/63 - Subtract the two like fractions:
72/63 - 7/63 = 72 - 7/63 = 65/63 - In mixed form: 12/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/63-2/9 72/63-1/18 72/63-3/9 72/63-1/27 72/63-5/9 72/63-1/45 72/63-7/9 72/63-1/63