Subtract 7/63 from 60/30
1st number: 2 0/30, 2nd number: 7/63
60/30 - 7/63 is 17/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 30 × 21 = 630,
60/30 = 60 × 21/30 × 21 = 1260/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
7/63 = 7 × 10/63 × 10 = 70/630 - Subtract the two like fractions:
1260/630 - 70/630 = 1260 - 70/630 = 1190/630 - After reducing the fraction, the answer is 17/9
- In mixed form: 18/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/30-14/63 60/30-21/63 60/90-7/63 60/30-35/63 60/30-49/63