Subtract 70/63 from 54/98
1st number: 54/98, 2nd number: 1 7/63
54/98 - 70/63 is -247/441.
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,
54/98 = 54 × 9/98 × 9 = 486/882 - Likewise, for the 2nd fraction, since 63 × 14 = 882,
70/63 = 70 × 14/63 × 14 = 980/882 - Subtract the two like fractions:
486/882 - 980/882 = 486 - 980/882 = -494/882 - After reducing the fraction, the answer is -247/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: