Subtract 3/63 from 84/98
84/98 - 3/63 is 17/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 63 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 98 × 9 = 882,
84/98 = 84 × 9/98 × 9 = 756/882 - Likewise, for the 2nd fraction, since 63 × 14 = 882,
3/63 = 3 × 14/63 × 14 = 42/882 - Subtract the two like fractions:
756/882 - 42/882 = 756 - 42/882 = 714/882 - After reducing the fraction, the answer is 17/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/98-6/63 84/98-9/63 84/98-15/63 84/98-21/63