Subtract 27/49 from 75/42
1st number: 1 33/42, 2nd number: 27/49
75/42 - 27/49 is 121/98.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 49 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 42 × 7 = 294,
75/42 = 75 × 7/42 × 7 = 525/294 - Likewise, for the 2nd fraction, since 49 × 6 = 294,
27/49 = 27 × 6/49 × 6 = 162/294 - Subtract the two like fractions:
525/294 - 162/294 = 525 - 162/294 = 363/294 - After reducing the fraction, the answer is 121/98
- In mixed form: 123/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/42-54/49 75/84-27/49 75/42-27/98 75/42-81/49