Subtract 28/42 from 2/75
2/75 - 28/42 is -16/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 42 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 75 × 14 = 1050,
2/75 = 2 × 14/75 × 14 = 28/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
28/42 = 28 × 25/42 × 25 = 700/1050 - Subtract the two like fractions:
28/1050 - 700/1050 = 28 - 700/1050 = -672/1050 - After reducing the fraction, the answer is -16/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/75-28/42 2/75-56/42 2/75-28/84 6/75-28/42 2/75-84/42 10/75-28/42 14/75-28/42