Subtract 28/35 from 7/75
7/75 - 28/35 is -53/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 35 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 75 × 7 = 525,
7/75 = 7 × 7/75 × 7 = 49/525 - Likewise, for the 2nd fraction, since 35 × 15 = 525,
28/35 = 28 × 15/35 × 15 = 420/525 - Subtract the two like fractions:
49/525 - 420/525 = 49 - 420/525 = -371/525 - After reducing the fraction, the answer is -53/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/75-28/35 7/75-56/35 7/75-28/70 21/75-28/35 7/75-84/35 35/75-28/35 49/75-28/35