Subtract 9/30 from 6/63
6/63 - 9/30 is -43/210.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 30 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
6/63 = 6 × 10/63 × 10 = 60/630 - Likewise, for the 2nd fraction, since 30 × 21 = 630,
9/30 = 9 × 21/30 × 21 = 189/630 - Subtract the two like fractions:
60/630 - 189/630 = 60 - 189/630 = -129/630 - After reducing the fraction, the answer is -43/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/63-9/30 6/63-18/30 6/63-9/60 18/63-9/30 6/63-27/30 6/63-9/90 30/63-9/30 6/63-45/30 42/63-9/30 6/63-63/30