Subtract 72/18 from 70/3
1st number: 23 1/3, 2nd number: 4 0/18
70/3 - 72/18 is 58/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 3 × 6 = 18,
70/3 = 70 × 6/3 × 6 = 420/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
72/18 = 72 × 1/18 × 1 = 72/18 - Subtract the two like fractions:
420/18 - 72/18 = 420 - 72/18 = 348/18 - After reducing the fraction, the answer is 58/3
- In mixed form: 191/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/6-72/18 70/3-72/36 70/9-72/18 70/3-72/54 70/15-72/18 70/3-72/90 70/21-72/18