Subtract 7/70 from 14/63
14/63 - 7/70 is 11/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
14/63 = 14 × 10/63 × 10 = 140/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
7/70 = 7 × 9/70 × 9 = 63/630 - Subtract the two like fractions:
140/630 - 63/630 = 140 - 63/630 = 77/630 - After reducing the fraction, the answer is 11/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/63-7/70 14/63-14/70 42/63-7/70 14/63-21/70 70/63-7/70 14/63-35/70 98/63-7/70 14/63-49/70