Subtract 9/63 from 30/7
1st number: 4 2/7, 2nd number: 9/63
30/7 - 9/63 is 29/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 7 × 9 = 63,
30/7 = 30 × 9/7 × 9 = 270/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
9/63 = 9 × 1/63 × 1 = 9/63 - Subtract the two like fractions:
270/63 - 9/63 = 270 - 9/63 = 261/63 - After reducing the fraction, the answer is 29/7
- In mixed form: 41/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/7-9/63 30/7-18/63 30/14-9/63 90/7-9/63 30/7-27/63 30/21-9/63 30/7-45/63 30/35-9/63 30/49-9/63