Subtract 4/50 from 10/42
10/42 - 4/50 is 83/525.
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,
10/42 = 10 × 25/42 × 25 = 250/1050 - Likewise, for the 2nd fraction, since 50 × 21 = 1050,
4/50 = 4 × 21/50 × 21 = 84/1050 - Subtract the two like fractions:
250/1050 - 84/1050 = 250 - 84/1050 = 166/1050 - After reducing the fraction, the answer is 83/525
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/42-4/50 10/42-8/50 10/84-4/50 30/42-4/50 10/42-12/50 50/42-4/50 10/42-20/50 70/42-4/50 10/42-28/50