Answers

Subtract 84/45 from 45/25

1^st number: 1 20/25, 2^nd number: 1 39/45

45/25 - 84/45 is -1/15.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 25 and 45 is 225
   
   Next, find the equivalent fraction of both fractional numbers with denominator 225
2. For the 1st fraction, since 25 × 9 = 225,
   45/25 = 45 × 9/25 × 9 = 405/225
3. Likewise, for the 2nd fraction, since 45 × 5 = 225,
   84/45 = 84 × 5/45 × 5 = 420/225
4. Subtract the two like fractions:
   405/225 - 420/225 = 405 - 420/225 = -15/225
5. After reducing the fraction, the answer is -1/15

MathStep (Works offline)

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

Related: ⁹⁰/₂₅-⁸⁴/₄₅ ⁴⁵/₅₀-⁸⁴/₄₅ ⁴⁵/₂₅-⁸⁴/₉₀ ⁴⁵/₇₅-⁸⁴/₄₅

Subtract Fractions Calculator