Subtract 60/36 from 50/42
1st number: 1 8/42, 2nd number: 1 24/36
50/42 - 60/36 is -10/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 42 × 6 = 252,
50/42 = 50 × 6/42 × 6 = 300/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
60/36 = 60 × 7/36 × 7 = 420/252 - Subtract the two like fractions:
300/252 - 420/252 = 300 - 420/252 = -120/252 - After reducing the fraction, the answer is -10/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/84-60/36 50/42-60/72