Answers

Subtract 45/84 from 40/5

1^st number: 8 0/5, 2^nd number: 45/84

40/5 - 45/84 is 209/28.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 84 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 5 × 84 = 420,
   40/5 = 40 × 84/5 × 84 = 3360/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   45/84 = 45 × 5/84 × 5 = 225/420
4. Subtract the two like fractions:
   3360/420 - 225/420 = 3360 - 225/420 = 3135/420
5. After reducing the fraction, the answer is 209/28
6. In mixed form: 713/28

MathStep (Works offline)

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

Related: ⁸⁰/₅-⁴⁵/₈₄ ⁴⁰/₅-⁹⁰/₈₄ ⁴⁰/₁₀-⁴⁵/₈₄ ⁴⁰/₁₅-⁴⁵/₈₄ ⁴⁰/₂₅-⁴⁵/₈₄ ⁴⁰/₃₅-⁴⁵/₈₄

Subtract Fractions Calculator