Subtract 6/72 from 70/12
1st number: 5 10/12, 2nd number: 6/72
70/12 - 6/72 is 23/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 12 × 6 = 72,
70/12 = 70 × 6/12 × 6 = 420/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
6/72 = 6 × 1/72 × 1 = 6/72 - Subtract the two like fractions:
420/72 - 6/72 = 420 - 6/72 = 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: 70/12-12/72 70/24-6/72 70/12-18/72 70/36-6/72 70/12-30/72 70/60-6/72 70/12-42/72 70/84-6/72