Subtract 8/63 from 27/10
1st number: 2 7/10, 2nd number: 8/63
27/10 - 8/63 is 1621/630.
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,
27/10 = 27 × 63/10 × 63 = 1701/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
8/63 = 8 × 10/63 × 10 = 80/630 - Subtract the two like fractions:
1701/630 - 80/630 = 1701 - 80/630 = 1621/630 - In mixed form: 2361/630
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/10-8/63 27/10-16/63 27/20-8/63 81/10-8/63 27/10-24/63 27/30-8/63 27/10-40/63 27/50-8/63 27/10-56/63 27/70-8/63