Subtract 2/63 from 75/42
1st number: 1 33/42, 2nd number: 2/63
75/42 - 2/63 is 221/126.
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,
2/63 = 2 × 2/63 × 2 = 4/126 - Subtract the two like fractions:
225/126 - 4/126 = 225 - 4/126 = 221/126 - In mixed form: 195/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/42-4/63 75/84-2/63 75/42-6/63 75/42-10/63 75/42-14/63