Subtract 12/72 from 49/9
1st number: 5 4/9, 2nd number: 12/72
49/9 - 12/72 is 95/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
49/9 = 49 × 8/9 × 8 = 392/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
12/72 = 12 × 1/72 × 1 = 12/72 - Subtract the two like fractions:
392/72 - 12/72 = 392 - 12/72 = 380/72 - After reducing the fraction, the answer is 95/18
- In mixed form: 55/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/9-12/72 49/9-24/72 49/18-12/72 49/9-36/72 49/27-12/72 49/9-60/72 49/45-12/72 49/9-84/72 49/63-12/72