Subtract 27/72 from 12/3
1st number: 4 0/3, 2nd number: 27/72
12/3 - 27/72 is 29/8.
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,
12/3 = 12 × 24/3 × 24 = 288/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
27/72 = 27 × 1/72 × 1 = 27/72 - Subtract the two like fractions:
288/72 - 27/72 = 288 - 27/72 = 261/72 - After reducing the fraction, the answer is 29/8
- In mixed form: 35/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/3-27/72 12/3-54/72 12/6-27/72 36/3-27/72 12/3-81/72 12/9-27/72 60/3-27/72 12/15-27/72 84/3-27/72 12/21-27/72