Subtract 5/63 from 50/90
50/90 - 5/63 is 10/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
50/90 = 50 × 7/90 × 7 = 350/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
5/63 = 5 × 10/63 × 10 = 50/630 - Subtract the two like fractions:
350/630 - 50/630 = 350 - 50/630 = 300/630 - After reducing the fraction, the answer is 10/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/90-10/63 50/90-15/63 50/90-25/63 50/90-35/63