Subtract 18/72 from 12/2
1st number: 6 0/2, 2nd number: 18/72
12/2 - 18/72 is 23/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 2 × 36 = 72,
12/2 = 12 × 36/2 × 36 = 432/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
18/72 = 18 × 1/72 × 1 = 18/72 - Subtract the two like fractions:
432/72 - 18/72 = 432 - 18/72 = 414/72 - After reducing the fraction, the answer is 23/4
- In mixed form: 53/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/2-18/72 12/2-36/72 12/4-18/72 36/2-18/72 12/2-54/72 12/6-18/72 60/2-18/72 12/2-90/72 12/10-18/72 84/2-18/72 12/14-18/72