Subtract 2/30 from 30/63
30/63 - 2/30 is 43/105.
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,
30/63 = 30 × 10/63 × 10 = 300/630 - Likewise, for the 2nd fraction, since 30 × 21 = 630,
2/30 = 2 × 21/30 × 21 = 42/630 - Subtract the two like fractions:
300/630 - 42/630 = 300 - 42/630 = 258/630 - After reducing the fraction, the answer is 43/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/63-2/30 30/63-4/30 30/63-2/60 90/63-2/30 30/63-6/30 30/63-2/90 30/63-10/30 30/63-14/30