Subtract 84/30 from 3/63
1st number: 3/63, 2nd number: 2 24/30
3/63 - 84/30 is -289/105.
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,
3/63 = 3 × 10/63 × 10 = 30/630 - Likewise, for the 2nd fraction, since 30 × 21 = 630,
84/30 = 84 × 21/30 × 21 = 1764/630 - Subtract the two like fractions:
30/630 - 1764/630 = 30 - 1764/630 = -1734/630 - After reducing the fraction, the answer is -289/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/63-84/30 3/63-84/60 9/63-84/30 3/63-84/90 15/63-84/30 21/63-84/30