Subtract 1/21 from 70/6
1st number: 11 4/6, 2nd number: 1/21
70/6 - 1/21 is 244/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 21 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 21 × 2 = 42,
1/21 = 1 × 2/21 × 2 = 2/42 - Subtract the two like fractions:
490/42 - 2/42 = 490 - 2/42 = 488/42 - After reducing the fraction, the answer is 244/21
- In mixed form: 1113/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/6-2/21 70/12-1/21 70/6-1/42 70/6-3/21 70/18-1/21 70/6-1/63 70/6-5/21 70/30-1/21 70/6-7/21 70/42-1/21