Subtract 10/63 from 40/70
40/70 - 10/63 is 26/63.
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,
40/70 = 40 × 9/70 × 9 = 360/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
10/63 = 10 × 10/63 × 10 = 100/630 - Subtract the two like fractions:
360/630 - 100/630 = 360 - 100/630 = 260/630 - After reducing the fraction, the answer is 26/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/70-10/63 40/70-20/63 40/70-30/63 40/70-50/63 40/70-70/63