Subtract 98/63 from 45/49
1st number: 45/49, 2nd number: 1 35/63
45/49 - 98/63 is -281/441.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 63 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 49 × 9 = 441,
45/49 = 45 × 9/49 × 9 = 405/441 - Likewise, for the 2nd fraction, since 63 × 7 = 441,
98/63 = 98 × 7/63 × 7 = 686/441 - Subtract the two like fractions:
405/441 - 686/441 = 405 - 686/441 = -281/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/49-98/63 45/98-98/63