Answers

Add 60/45 and 84/12

1^st number: 1 15/45, 2^nd number: 7 0/12

60/45 + 84/12 is 25/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 12 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 45 × 4 = 180,
   60/45 = 60 × 4/45 × 4 = 240/180
3. Likewise, for the 2nd fraction, since 12 × 15 = 180,
   84/12 = 84 × 15/12 × 15 = 1260/180
4. Add the two like fractions:
   240/180 + 1260/180 = 240 + 1260/180 = 1500/180
5. 1500/180 simplified gives 25/3
6. So, 60/45 + 84/12 = 25/3
   In mixed form: 81/3

MathStep (Works offline)

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

Related: ⁶⁰/₉₀+⁸⁴/₁₂ ⁶⁰/₄₅+⁸⁴/₂₄ ⁶⁰/₄₅+⁸⁴/₃₆ ⁶⁰/₄₅+⁸⁴/₆₀

Add Fractions Calculator