Subtract 49/63 from 14/30
14/30 - 49/63 is -14/45.
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,
49/63 = 49 × 10/63 × 10 = 490/630 - Subtract the two like fractions:
294/630 - 490/630 = 294 - 490/630 = -196/630 - After reducing the fraction, the answer is -14/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/30-49/63 14/30-98/63 14/60-49/63 42/30-49/63 14/90-49/63 70/30-49/63 98/30-49/63