Subtract 30/63 from 45/6
1st number: 7 3/6, 2nd number: 30/63
45/6 - 30/63 is 295/42.
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,
45/6 = 45 × 21/6 × 21 = 945/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
30/63 = 30 × 2/63 × 2 = 60/126 - Subtract the two like fractions:
945/126 - 60/126 = 945 - 60/126 = 885/126 - After reducing the fraction, the answer is 295/42
- In mixed form: 71/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/6-30/63 45/6-60/63 45/12-30/63 45/6-90/63 45/18-30/63 45/30-30/63 45/42-30/63