Subtract 10/90 from 24/70
24/70 - 10/90 is 73/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 90 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 90 × 7 = 630,
10/90 = 10 × 7/90 × 7 = 70/630 - Subtract the two like fractions:
216/630 - 70/630 = 216 - 70/630 = 146/630 - After reducing the fraction, the answer is 73/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/70-10/90 24/70-20/90 72/70-10/90 24/70-30/90 24/70-50/90 24/70-70/90