Answers

Add 90/10 and 84/12

1^st number: 9 0/10, 2^nd number: 7 0/12

90/10 + 84/12 is 16/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 12 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 10 × 6 = 60,
   90/10 = 90 × 6/10 × 6 = 540/60
3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
   84/12 = 84 × 5/12 × 5 = 420/60
4. Add the two like fractions:
   540/60 + 420/60 = 540 + 420/60 = 960/60
5. 960/60 simplified gives 16/1
6. So, 90/10 + 84/12 = 16/1

MathStep (Works offline)

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

Related: ⁹⁰/₂₀+⁸⁴/₁₂ ⁹⁰/₁₀+⁸⁴/₂₄ ⁹⁰/₃₀+⁸⁴/₁₂ ⁹⁰/₁₀+⁸⁴/₃₆ ⁹⁰/₅₀+⁸⁴/₁₂ ⁹⁰/₁₀+⁸⁴/₆₀ ⁹⁰/₇₀+⁸⁴/₁₂

Add Fractions Calculator