Subtract 12/63 from 24/90
24/90 - 12/63 is 8/105.
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,
24/90 = 24 × 7/90 × 7 = 168/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
12/63 = 12 × 10/63 × 10 = 120/630 - Subtract the two like fractions:
168/630 - 120/630 = 168 - 120/630 = 48/630 - After reducing the fraction, the answer is 8/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/90-12/63 24/90-24/63 72/90-12/63 24/90-36/63 24/90-60/63 24/90-84/63