Subtract 1/81 from 70/14
1st number: 5 0/14, 2nd number: 1/81
70/14 - 1/81 is 404/81.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 81 is 1134
Next, find the equivalent fraction of both fractional numbers with denominator 1134 - For the 1st fraction, since 14 × 81 = 1134,
70/14 = 70 × 81/14 × 81 = 5670/1134 - Likewise, for the 2nd fraction, since 81 × 14 = 1134,
1/81 = 1 × 14/81 × 14 = 14/1134 - Subtract the two like fractions:
5670/1134 - 14/1134 = 5670 - 14/1134 = 5656/1134 - After reducing the fraction, the answer is 404/81
- In mixed form: 480/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/14-2/81 70/28-1/81 70/14-3/81 70/42-1/81 70/14-5/81 70/14-7/81 70/98-1/81