Subtract 98/30 from 1/63
1st number: 1/63, 2nd number: 3 8/30
1/63 - 98/30 is -1024/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 30 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
1/63 = 1 × 10/63 × 10 = 10/630 - Likewise, for the 2nd fraction, since 30 × 21 = 630,
98/30 = 98 × 21/30 × 21 = 2058/630 - Subtract the two like fractions:
10/630 - 2058/630 = 10 - 2058/630 = -2048/630 - After reducing the fraction, the answer is -1024/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/63-98/30 1/63-98/60 3/63-98/30 1/63-98/90 5/63-98/30 7/63-98/30