Answers

Subtract 75/90 from 49/75

49/75 - 75/90 is -9/50.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 90 is 450
   
   Next, find the equivalent fraction of both fractional numbers with denominator 450
2. For the 1st fraction, since 75 × 6 = 450,
   49/75 = 49 × 6/75 × 6 = 294/450
3. Likewise, for the 2nd fraction, since 90 × 5 = 450,
   75/90 = 75 × 5/90 × 5 = 375/450
4. Subtract the two like fractions:
   294/450 - 375/450 = 294 - 375/450 = -81/450
5. After reducing the fraction, the answer is -9/50

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related: ⁹⁸/₇₅-⁷⁵/₉₀

Subtract Fractions Calculator