Subtract 3/18 from 72/2
1st number: 36 0/2, 2nd number: 3/18
72/2 - 3/18 is 215/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 2 × 9 = 18,
72/2 = 72 × 9/2 × 9 = 648/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
3/18 = 3 × 1/18 × 1 = 3/18 - Subtract the two like fractions:
648/18 - 3/18 = 648 - 3/18 = 645/18 - After reducing the fraction, the answer is 215/6
- In mixed form: 355/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/2-6/18 72/4-3/18 72/2-3/36 72/2-9/18 72/6-3/18 72/2-3/54 72/2-15/18 72/10-3/18 72/2-3/90 72/2-21/18 72/14-3/18