Subtract 9/6 from 9/72
1st number: 9/72, 2nd number: 1 3/6
9/72 - 9/6 is -11/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 6 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
9/72 = 9 × 1/72 × 1 = 9/72 - Likewise, for the 2nd fraction, since 6 × 12 = 72,
9/6 = 9 × 12/6 × 12 = 108/72 - Subtract the two like fractions:
9/72 - 108/72 = 9 - 108/72 = -99/72 - After reducing the fraction, the answer is -11/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/72-9/6 9/72-18/6 9/72-9/12 27/72-9/6 9/72-27/6 9/72-9/18 45/72-9/6 9/72-45/6 9/72-9/30 63/72-9/6 9/72-63/6 9/72-9/42