Answers

Subtract 84/16 from 30/8

1^st number: 3 6/8, 2^nd number: 5 4/16

30/8 - 84/16 is -3/2.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 16 is 16
   
   Next, find the equivalent fraction of both fractional numbers with denominator 16
2. For the 1st fraction, since 8 × 2 = 16,
   30/8 = 30 × 2/8 × 2 = 60/16
3. Likewise, for the 2nd fraction, since 16 × 1 = 16,
   84/16 = 84 × 1/16 × 1 = 84/16
4. Subtract the two like fractions:
   60/16 - 84/16 = 60 - 84/16 = -24/16
5. After reducing the fraction, the answer is -3/2

MathStep (Works offline)

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

Related: ⁶⁰/₈-⁸⁴/₁₆ ³⁰/₁₆-⁸⁴/₁₆ ³⁰/₈-⁸⁴/₃₂ ⁹⁰/₈-⁸⁴/₁₆ ³⁰/₂₄-⁸⁴/₁₆ ³⁰/₈-⁸⁴/₄₈ ³⁰/₄₀-⁸⁴/₁₆ ³⁰/₈-⁸⁴/₈₀ ³⁰/₅₆-⁸⁴/₁₆

Subtract Fractions Calculator