Subtract 98/63 from 35/72
1st number: 35/72, 2nd number: 1 35/63
35/72 - 98/63 is -77/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
35/72 = 35 × 7/72 × 7 = 245/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
98/63 = 98 × 8/63 × 8 = 784/504 - Subtract the two like fractions:
245/504 - 784/504 = 245 - 784/504 = -539/504 - After reducing the fraction, the answer is -77/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/72-98/63