Subtract 36/50 from 1/42
1/42 - 36/50 is -731/1050.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 50 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 42 × 25 = 1050,
1/42 = 1 × 25/42 × 25 = 25/1050 - Likewise, for the 2nd fraction, since 50 × 21 = 1050,
36/50 = 36 × 21/50 × 21 = 756/1050 - Subtract the two like fractions:
25/1050 - 756/1050 = 25 - 756/1050 = -731/1050
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/42-36/50 1/42-72/50 1/84-36/50 3/42-36/50 5/42-36/50 7/42-36/50