Subtract 6/80 from 1/18
1/18 - 6/80 is -7/360.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 18 × 40 = 720,
1/18 = 1 × 40/18 × 40 = 40/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
6/80 = 6 × 9/80 × 9 = 54/720 - Subtract the two like fractions:
40/720 - 54/720 = 40 - 54/720 = -14/720 - After reducing the fraction, the answer is -7/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/18-6/80 1/18-12/80 1/36-6/80 3/18-6/80 1/18-18/80 1/54-6/80 5/18-6/80 1/18-30/80 1/90-6/80 7/18-6/80 1/18-42/80