Subtract 12/54 from 70/14
1st number: 5 0/14, 2nd number: 12/54
70/14 - 12/54 is 43/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 14 × 27 = 378,
70/14 = 70 × 27/14 × 27 = 1890/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
12/54 = 12 × 7/54 × 7 = 84/378 - Subtract the two like fractions:
1890/378 - 84/378 = 1890 - 84/378 = 1806/378 - After reducing the fraction, the answer is 43/9
- In mixed form: 47/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/14-24/54 70/28-12/54 70/14-36/54 70/42-12/54 70/14-60/54 70/14-84/54 70/98-12/54