Subtract 42/50 from 48/42
1st number: 1 6/42, 2nd number: 42/50
48/42 - 42/50 is 53/175.
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,
48/42 = 48 × 25/42 × 25 = 1200/1050 - Likewise, for the 2nd fraction, since 50 × 21 = 1050,
42/50 = 42 × 21/50 × 21 = 882/1050 - Subtract the two like fractions:
1200/1050 - 882/1050 = 1200 - 882/1050 = 318/1050 - After reducing the fraction, the answer is 53/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/42-42/50 48/42-84/50 48/84-42/50