Subtract 36/80 from 4/18
4/18 - 36/80 is -41/180.
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,
4/18 = 4 × 40/18 × 40 = 160/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
36/80 = 36 × 9/80 × 9 = 324/720 - Subtract the two like fractions:
160/720 - 324/720 = 160 - 324/720 = -164/720 - After reducing the fraction, the answer is -41/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/18-36/80 4/18-72/80 4/36-36/80 12/18-36/80 4/54-36/80 20/18-36/80 4/90-36/80 28/18-36/80