Subtract 21/80 from 98/75
1st number: 1 23/75, 2nd number: 21/80
98/75 - 21/80 is 1253/1200.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 80 is 1200
Next, find the equivalent fraction of both fractional numbers with denominator 1200 - For the 1st fraction, since 75 × 16 = 1200,
98/75 = 98 × 16/75 × 16 = 1568/1200 - Likewise, for the 2nd fraction, since 80 × 15 = 1200,
21/80 = 21 × 15/80 × 15 = 315/1200 - Subtract the two like fractions:
1568/1200 - 315/1200 = 1568 - 315/1200 = 1253/1200 - In mixed form: 153/1200
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/75-42/80 98/75-63/80