Subtract 1/4 from 72/9
1st number: 8 0/9, 2nd number: 1/4
72/9 - 1/4 is 31/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
72/9 = 72 × 4/9 × 4 = 288/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
1/4 = 1 × 9/4 × 9 = 9/36 - Subtract the two like fractions:
288/36 - 9/36 = 288 - 9/36 = 279/36 - After reducing the fraction, the answer is 31/4
- In mixed form: 73/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/9-2/4 72/18-1/4 72/9-1/8 72/9-3/4 72/27-1/4 72/9-1/12 72/9-5/4 72/45-1/4 72/9-1/20 72/9-7/4 72/63-1/4 72/9-1/28