Subtract 75/10 from 18/63
1st number: 18/63, 2nd number: 7 5/10
18/63 - 75/10 is -101/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 10 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
18/63 = 18 × 10/63 × 10 = 180/630 - Likewise, for the 2nd fraction, since 10 × 63 = 630,
75/10 = 75 × 63/10 × 63 = 4725/630 - Subtract the two like fractions:
180/630 - 4725/630 = 180 - 4725/630 = -4545/630 - After reducing the fraction, the answer is -101/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/63-75/10 18/63-75/20 54/63-75/10 18/63-75/30 90/63-75/10 18/63-75/50 18/63-75/70