Subtract 70/63 from 28/3
1st number: 9 1/3, 2nd number: 1 7/63
28/3 - 70/63 is 74/9.
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,
70/63 = 70 × 1/63 × 1 = 70/63 - Subtract the two like fractions:
588/63 - 70/63 = 588 - 70/63 = 518/63 - After reducing the fraction, the answer is 74/9
- In mixed form: 82/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/3-70/63 28/6-70/63 84/3-70/63 28/9-70/63 28/15-70/63 28/21-70/63