Answers

Add 12/63 and 45/60

12/63 + 45/60 is 79/84.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 60 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 63 × 20 = 1260,
   12/63 = 12 × 20/63 × 20 = 240/1260
3. Likewise, for the 2nd fraction, since 60 × 21 = 1260,
   45/60 = 45 × 21/60 × 21 = 945/1260
4. Add the two like fractions:
   240/1260 + 945/1260 = 240 + 945/1260 = 1185/1260
5. 1185/1260 simplified gives 79/84
6. So, 12/63 + 45/60 = 79/84

MathStep (Works offline)

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

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

Add Fractions Calculator