Subtract 9/63 from 18/10
1st number: 1 8/10, 2nd number: 9/63
18/10 - 9/63 is 58/35.
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,
18/10 = 18 × 63/10 × 63 = 1134/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
9/63 = 9 × 10/63 × 10 = 90/630 - Subtract the two like fractions:
1134/630 - 90/630 = 1134 - 90/630 = 1044/630 - After reducing the fraction, the answer is 58/35
- In mixed form: 123/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/10-9/63 18/10-18/63 18/20-9/63 54/10-9/63 18/10-27/63 18/30-9/63 90/10-9/63 18/10-45/63 18/50-9/63 18/70-9/63