Subtract 10/35 from 42/75
42/75 - 10/35 is 48/175.
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,
42/75 = 42 × 7/75 × 7 = 294/525 - Likewise, for the 2nd fraction, since 35 × 15 = 525,
10/35 = 10 × 15/35 × 15 = 150/525 - Subtract the two like fractions:
294/525 - 150/525 = 294 - 150/525 = 144/525 - After reducing the fraction, the answer is 48/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/75-10/35 42/75-20/35 42/75-10/70 42/75-30/35 42/75-50/35 42/75-70/35