Subtract 7/63 from 90/98
90/98 - 7/63 is 356/441.
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,
90/98 = 90 × 9/98 × 9 = 810/882 - Likewise, for the 2nd fraction, since 63 × 14 = 882,
7/63 = 7 × 14/63 × 14 = 98/882 - Subtract the two like fractions:
810/882 - 98/882 = 810 - 98/882 = 712/882 - After reducing the fraction, the answer is 356/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/98-14/63 90/98-21/63 90/98-35/63 90/98-49/63