Subtract 6/63 from 75/42
1st number: 1 33/42, 2nd number: 6/63
75/42 - 6/63 is 71/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 42 × 3 = 126,
75/42 = 75 × 3/42 × 3 = 225/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
6/63 = 6 × 2/63 × 2 = 12/126 - Subtract the two like fractions:
225/126 - 12/126 = 225 - 12/126 = 213/126 - After reducing the fraction, the answer is 71/42
- In mixed form: 129/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/42-12/63 75/84-6/63 75/42-18/63 75/42-30/63 75/42-42/63