Answers

Subtract 84/25 from 5/80

1^st number: 5/80, 2^nd number: 3 9/25

5/80 - 84/25 is -1319/400.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 25 is 400
   
   Next, find the equivalent fraction of both fractional numbers with denominator 400
2. For the 1st fraction, since 80 × 5 = 400,
   5/80 = 5 × 5/80 × 5 = 25/400
3. Likewise, for the 2nd fraction, since 25 × 16 = 400,
   84/25 = 84 × 16/25 × 16 = 1344/400
4. Subtract the two like fractions:
   25/400 - 1344/400 = 25 - 1344/400 = -1319/400

MathStep (Works offline)

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

Related: ¹⁰/₈₀-⁸⁴/₂₅ ⁵/₈₀-⁸⁴/₅₀ ¹⁵/₈₀-⁸⁴/₂₅ ⁵/₈₀-⁸⁴/₇₅ ²⁵/₈₀-⁸⁴/₂₅ ³⁵/₈₀-⁸⁴/₂₅

Subtract Fractions Calculator