Subtract 18/63 from 24/30
24/30 - 18/63 is 18/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 30 × 21 = 630,
24/30 = 24 × 21/30 × 21 = 504/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
18/63 = 18 × 10/63 × 10 = 180/630 - Subtract the two like fractions:
504/630 - 180/630 = 504 - 180/630 = 324/630 - After reducing the fraction, the answer is 18/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/30-18/63 24/30-36/63 24/60-18/63 72/30-18/63 24/30-54/63 24/90-18/63 24/30-90/63