Subtract 1/63 from 98/70
1st number: 1 28/70, 2nd number: 1/63
98/70 - 1/63 is 436/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
98/70 = 98 × 9/70 × 9 = 882/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
1/63 = 1 × 10/63 × 10 = 10/630 - Subtract the two like fractions:
882/630 - 10/630 = 882 - 10/630 = 872/630 - After reducing the fraction, the answer is 436/315
- In mixed form: 1121/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/70-2/63 98/70-3/63 98/70-5/63 98/70-7/63