Subtract 10/63 from 1/30
1/30 - 10/63 is -79/630.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 30 × 21 = 630,
1/30 = 1 × 21/30 × 21 = 21/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
10/63 = 10 × 10/63 × 10 = 100/630 - Subtract the two like fractions:
21/630 - 100/630 = 21 - 100/630 = -79/630
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/30-10/63 1/30-20/63 1/60-10/63 3/30-10/63 1/30-30/63 1/90-10/63 5/30-10/63 1/30-50/63 7/30-10/63 1/30-70/63