Subtract 49/90 from 18/24
18/24 - 49/90 is 37/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 24 × 15 = 360,
18/24 = 18 × 15/24 × 15 = 270/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
49/90 = 49 × 4/90 × 4 = 196/360 - Subtract the two like fractions:
270/360 - 196/360 = 270 - 196/360 = 74/360 - After reducing the fraction, the answer is 37/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/24-49/90 18/24-98/90 18/48-49/90 54/24-49/90 18/72-49/90 90/24-49/90