Subtract 15/63 from 24/70
24/70 - 15/63 is 11/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
24/70 = 24 × 9/70 × 9 = 216/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
15/63 = 15 × 10/63 × 10 = 150/630 - Subtract the two like fractions:
216/630 - 150/630 = 216 - 150/630 = 66/630 - After reducing the fraction, the answer is 11/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/70-15/63 24/70-30/63 72/70-15/63 24/70-45/63 24/70-75/63