Subtract 81/98 from 24/21
1st number: 1 3/21, 2nd number: 81/98
24/21 - 81/98 is 31/98.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 98 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 21 × 14 = 294,
24/21 = 24 × 14/21 × 14 = 336/294 - Likewise, for the 2nd fraction, since 98 × 3 = 294,
81/98 = 81 × 3/98 × 3 = 243/294 - Subtract the two like fractions:
336/294 - 243/294 = 336 - 243/294 = 93/294 - After reducing the fraction, the answer is 31/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/21-81/98 24/42-81/98 72/21-81/98 24/63-81/98