Subtract 8/63 from 7/10
7/10 - 8/63 is 361/630.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 10 × 63 = 630,
7/10 = 7 × 63/10 × 63 = 441/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
8/63 = 8 × 10/63 × 10 = 80/630 - Subtract the two like fractions:
441/630 - 80/630 = 441 - 80/630 = 361/630
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/10-8/63 7/10-16/63 7/20-8/63 21/10-8/63 7/10-24/63 7/30-8/63 35/10-8/63 7/10-40/63 7/50-8/63 49/10-8/63 7/10-56/63 7/70-8/63