Subtract 2/30 from 9/63
9/63 - 2/30 is 8/105.
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,
9/63 = 9 × 10/63 × 10 = 90/630 - Likewise, for the 2nd fraction, since 30 × 21 = 630,
2/30 = 2 × 21/30 × 21 = 42/630 - Subtract the two like fractions:
90/630 - 42/630 = 90 - 42/630 = 48/630 - After reducing the fraction, the answer is 8/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/63-2/30 9/63-4/30 9/63-2/60 27/63-2/30 9/63-6/30 9/63-2/90 45/63-2/30 9/63-10/30 9/63-14/30