Subtract 45/7 from 2/6
1st number: 2/6, 2nd number: 6 3/7
2/6 - 45/7 is -128/21.
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,
2/6 = 2 × 7/6 × 7 = 14/42 - Likewise, for the 2nd fraction, since 7 × 6 = 42,
45/7 = 45 × 6/7 × 6 = 270/42 - Subtract the two like fractions:
14/42 - 270/42 = 14 - 270/42 = -256/42 - After reducing the fraction, the answer is -128/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/6-45/7 2/6-90/7 2/12-45/7 2/6-45/14 2/18-45/7 2/6-45/21 10/6-45/7 2/30-45/7 2/6-45/35 14/6-45/7 2/42-45/7 2/6-45/49