Subtract 10/18 from 49/80
49/80 - 10/18 is 41/720.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 18 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
49/80 = 49 × 9/80 × 9 = 441/720 - Likewise, for the 2nd fraction, since 18 × 40 = 720,
10/18 = 10 × 40/18 × 40 = 400/720 - Subtract the two like fractions:
441/720 - 400/720 = 441 - 400/720 = 41/720
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/80-10/18 49/80-20/18 49/80-10/36 49/80-30/18 49/80-10/54 49/80-50/18 49/80-10/90 49/80-70/18