Subtract 54/63 from 24/30
24/30 - 54/63 is -2/35.
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,
54/63 = 54 × 10/63 × 10 = 540/630 - Subtract the two like fractions:
504/630 - 540/630 = 504 - 540/630 = -36/630 - After reducing the fraction, the answer is -2/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/30-54/63 24/60-54/63 72/30-54/63 24/90-54/63