Subtract 70/63 from 10/24
1st number: 10/24, 2nd number: 1 7/63
10/24 - 70/63 is -25/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 24 × 21 = 504,
10/24 = 10 × 21/24 × 21 = 210/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
70/63 = 70 × 8/63 × 8 = 560/504 - Subtract the two like fractions:
210/504 - 560/504 = 210 - 560/504 = -350/504 - After reducing the fraction, the answer is -25/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/24-70/63 10/48-70/63 30/24-70/63 10/72-70/63 50/24-70/63 70/24-70/63