Subtract 27/7 from 70/6
1st number: 11 4/6, 2nd number: 3 6/7
70/6 - 27/7 is 164/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 7 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
70/6 = 70 × 7/6 × 7 = 490/42 - Likewise, for the 2nd fraction, since 7 × 6 = 42,
27/7 = 27 × 6/7 × 6 = 162/42 - Subtract the two like fractions:
490/42 - 162/42 = 490 - 162/42 = 328/42 - After reducing the fraction, the answer is 164/21
- In mixed form: 717/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/6-54/7 70/12-27/7 70/6-27/14 70/6-81/7 70/18-27/7 70/6-27/21 70/30-27/7 70/6-27/35 70/42-27/7 70/6-27/49