Subtract 98/72 from 90/24
1st number: 3 18/24, 2nd number: 1 26/72
90/24 - 98/72 is 43/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 24 × 3 = 72,
90/24 = 90 × 3/24 × 3 = 270/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
98/72 = 98 × 1/72 × 1 = 98/72 - Subtract the two like fractions:
270/72 - 98/72 = 270 - 98/72 = 172/72 - After reducing the fraction, the answer is 43/18
- In mixed form: 27/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/48-98/72 90/72-98/72