Subtract 49/72 from 18/3
1st number: 6 0/3, 2nd number: 49/72
18/3 - 49/72 is 383/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 3 × 24 = 72,
18/3 = 18 × 24/3 × 24 = 432/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
49/72 = 49 × 1/72 × 1 = 49/72 - Subtract the two like fractions:
432/72 - 49/72 = 432 - 49/72 = 383/72 - In mixed form: 523/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/3-49/72 18/3-98/72 18/6-49/72 54/3-49/72 18/9-49/72 90/3-49/72 18/15-49/72 18/21-49/72