Subtract 30/63 from 10/3
1st number: 3 1/3, 2nd number: 30/63
10/3 - 30/63 is 20/7.
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,
10/3 = 10 × 21/3 × 21 = 210/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
30/63 = 30 × 1/63 × 1 = 30/63 - Subtract the two like fractions:
210/63 - 30/63 = 210 - 30/63 = 180/63 - After reducing the fraction, the answer is 20/7
- In mixed form: 26/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/3-30/63 10/3-60/63 10/6-30/63 30/3-30/63 10/3-90/63 10/9-30/63 50/3-30/63 10/15-30/63 70/3-30/63 10/21-30/63