Subtract 12/56 from 21/98
21/98 - 12/56 is 0/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 56 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 98 × 4 = 392,
21/98 = 21 × 4/98 × 4 = 84/392 - Likewise, for the 2nd fraction, since 56 × 7 = 392,
12/56 = 12 × 7/56 × 7 = 84/392 - Subtract the two like fractions:
84/392 - 84/392 = 84 - 84/392 = 0/392 - The answer is 0
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/98-12/56 21/98-24/56 63/98-12/56 21/98-36/56 21/98-60/56 21/98-84/56