Subtract 54/63 from 14/30
14/30 - 54/63 is -41/105.
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,
14/30 = 14 × 21/30 × 21 = 294/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
54/63 = 54 × 10/63 × 10 = 540/630 - Subtract the two like fractions:
294/630 - 540/630 = 294 - 540/630 = -246/630 - After reducing the fraction, the answer is -41/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/30-54/63 14/60-54/63 42/30-54/63 14/90-54/63 70/30-54/63 98/30-54/63