Subtract 18/90 from 7/6
1st number: 1 1/6, 2nd number: 18/90
7/6 - 18/90 is 29/30.
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,
7/6 = 7 × 15/6 × 15 = 105/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
18/90 = 18 × 1/90 × 1 = 18/90 - Subtract the two like fractions:
105/90 - 18/90 = 105 - 18/90 = 87/90 - After reducing the fraction, the answer is 29/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/6-18/90 7/6-36/90 7/12-18/90 21/6-18/90 7/6-54/90 7/18-18/90 35/6-18/90 7/30-18/90 49/6-18/90 7/42-18/90