Subtract 15/63 from 28/3
1st number: 9 1/3, 2nd number: 15/63
28/3 - 15/63 is 191/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 3 × 21 = 63,
28/3 = 28 × 21/3 × 21 = 588/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
15/63 = 15 × 1/63 × 1 = 15/63 - Subtract the two like fractions:
588/63 - 15/63 = 588 - 15/63 = 573/63 - After reducing the fraction, the answer is 191/21
- In mixed form: 92/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/3-15/63 28/3-30/63 28/6-15/63 84/3-15/63 28/3-45/63 28/9-15/63 28/3-75/63 28/15-15/63 28/21-15/63