Subtract 70/90 from 27/6
1st number: 4 3/6, 2nd number: 70/90
27/6 - 70/90 is 67/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 6 × 15 = 90,
27/6 = 27 × 15/6 × 15 = 405/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
70/90 = 70 × 1/90 × 1 = 70/90 - Subtract the two like fractions:
405/90 - 70/90 = 405 - 70/90 = 335/90 - After reducing the fraction, the answer is 67/18
- In mixed form: 313/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/6-70/90 27/12-70/90 81/6-70/90 27/18-70/90 27/30-70/90 27/42-70/90