Subtract 45/6 from 50/42
1st number: 1 8/42, 2nd number: 7 3/6
50/42 - 45/6 is -265/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 6 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
50/42 = 50 × 1/42 × 1 = 50/42 - Likewise, for the 2nd fraction, since 6 × 7 = 42,
45/6 = 45 × 7/6 × 7 = 315/42 - Subtract the two like fractions:
50/42 - 315/42 = 50 - 315/42 = -265/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/42-90/6 50/84-45/6 50/42-45/12 50/42-45/18 50/42-45/30 50/42-45/42