Subtract 6/30 from 12/63
12/63 - 6/30 is -1/105.
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,
12/63 = 12 × 10/63 × 10 = 120/630 - Likewise, for the 2nd fraction, since 30 × 21 = 630,
6/30 = 6 × 21/30 × 21 = 126/630 - Subtract the two like fractions:
120/630 - 126/630 = 120 - 126/630 = -6/630 - After reducing the fraction, the answer is -1/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/63-6/30 12/63-12/30 12/63-6/60 36/63-6/30 12/63-18/30 12/63-6/90 60/63-6/30 84/63-6/30 12/63-42/30