Subtract 9/63 from 90/6
1st number: 15 0/6, 2nd number: 9/63
90/6 - 9/63 is 104/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 6 × 21 = 126,
90/6 = 90 × 21/6 × 21 = 1890/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
9/63 = 9 × 2/63 × 2 = 18/126 - Subtract the two like fractions:
1890/126 - 18/126 = 1890 - 18/126 = 1872/126 - After reducing the fraction, the answer is 104/7
- In mixed form: 146/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/6-18/63 90/12-9/63 90/6-27/63 90/18-9/63 90/6-45/63 90/30-9/63 90/42-9/63