Subtract 60/30 from 15/63
1st number: 15/63, 2nd number: 2 0/30
15/63 - 60/30 is -37/21.
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,
15/63 = 15 × 10/63 × 10 = 150/630 - Likewise, for the 2nd fraction, since 30 × 21 = 630,
60/30 = 60 × 21/30 × 21 = 1260/630 - Subtract the two like fractions:
150/630 - 1260/630 = 150 - 1260/630 = -1110/630 - After reducing the fraction, the answer is -37/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/63-60/30 45/63-60/30 15/63-60/90 75/63-60/30