Answers

Add 60/63 and 45/12

1^st number: 60/63, 2^nd number: 3 9/12

60/63 + 45/12 is 395/84.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 12 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 63 × 4 = 252,
   60/63 = 60 × 4/63 × 4 = 240/252
3. Likewise, for the 2nd fraction, since 12 × 21 = 252,
   45/12 = 45 × 21/12 × 21 = 945/252
4. Add the two like fractions:
   240/252 + 945/252 = 240 + 945/252 = 1185/252
5. 1185/252 simplified gives 395/84
6. So, 60/63 + 45/12 = 395/84
   In mixed form: 459/84

MathStep (Works offline)

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

Related: ⁶⁰/₆₃+⁹⁰/₁₂ ⁶⁰/₆₃+⁴⁵/₂₄ ⁶⁰/₆₃+⁴⁵/₃₆ ⁶⁰/₆₃+⁴⁵/₆₀ ⁶⁰/₆₃+⁴⁵/₈₄

Add Fractions Calculator