Answers

Subtract 60/20 from 75/80

1^st number: 75/80, 2^nd number: 3 0/20

75/80 - 60/20 is -33/16.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 20 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 80 × 1 = 80,
   75/80 = 75 × 1/80 × 1 = 75/80
3. Likewise, for the 2nd fraction, since 20 × 4 = 80,
   60/20 = 60 × 4/20 × 4 = 240/80
4. Subtract the two like fractions:
   75/80 - 240/80 = 75 - 240/80 = -165/80
5. After reducing the fraction, the answer is -33/16

MathStep (Works offline)

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

Related: ⁷⁵/₈₀-⁶⁰/₄₀

Subtract Fractions Calculator