Subtract 98/10 from 75/63
1st number: 1 12/63, 2nd number: 9 8/10
75/63 - 98/10 is -904/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 10 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
75/63 = 75 × 10/63 × 10 = 750/630 - Likewise, for the 2nd fraction, since 10 × 63 = 630,
98/10 = 98 × 63/10 × 63 = 6174/630 - Subtract the two like fractions:
750/630 - 6174/630 = 750 - 6174/630 = -5424/630 - After reducing the fraction, the answer is -904/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/63-98/20 75/63-98/30 75/63-98/50 75/63-98/70