Subtract 20/63 from 15/10
1st number: 1 5/10, 2nd number: 20/63
15/10 - 20/63 is 149/126.
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,
15/10 = 15 × 63/10 × 63 = 945/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
20/63 = 20 × 10/63 × 10 = 200/630 - Subtract the two like fractions:
945/630 - 200/630 = 945 - 200/630 = 745/630 - After reducing the fraction, the answer is 149/126
- In mixed form: 123/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/10-20/63 15/10-40/63 15/20-20/63 45/10-20/63 15/10-60/63 15/30-20/63 75/10-20/63 15/50-20/63 15/70-20/63