Subtract 40/18 from 49/20
1st number: 2 9/20, 2nd number: 2 4/18
49/20 - 40/18 is 41/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 18 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
49/20 = 49 × 9/20 × 9 = 441/180 - Likewise, for the 2nd fraction, since 18 × 10 = 180,
40/18 = 40 × 10/18 × 10 = 400/180 - Subtract the two like fractions:
441/180 - 400/180 = 441 - 400/180 = 41/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/20-40/18 49/20-80/18 49/40-40/18 49/20-40/36 49/60-40/18 49/20-40/54 49/20-40/90