Subtract 48/30 from 3/63
1st number: 3/63, 2nd number: 1 18/30
3/63 - 48/30 is -163/105.
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,
48/30 = 48 × 21/30 × 21 = 1008/630 - Subtract the two like fractions:
30/630 - 1008/630 = 30 - 1008/630 = -978/630 - After reducing the fraction, the answer is -163/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/63-48/30 3/63-96/30 3/63-48/60 9/63-48/30 3/63-48/90 15/63-48/30 21/63-48/30