Subtract 21/98 from 10/36
10/36 - 21/98 is 4/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 98 is 1764
Next, find the equivalent fraction of both fractional numbers with denominator 1764 - For the 1st fraction, since 36 × 49 = 1764,
10/36 = 10 × 49/36 × 49 = 490/1764 - Likewise, for the 2nd fraction, since 98 × 18 = 1764,
21/98 = 21 × 18/98 × 18 = 378/1764 - Subtract the two like fractions:
490/1764 - 378/1764 = 490 - 378/1764 = 112/1764 - After reducing the fraction, the answer is 4/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/36-21/98 10/36-42/98 10/72-21/98 30/36-21/98 10/36-63/98 50/36-21/98 70/36-21/98