Answers

Add 12/60 and 45/27

1^st number: 12/60, 2^nd number: 1 18/27

12/60 + 45/27 is 28/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 27 is 540
   
   Next, find the equivalent fraction of both fractional numbers with denominator 540
2. For the 1st fraction, since 60 × 9 = 540,
   12/60 = 12 × 9/60 × 9 = 108/540
3. Likewise, for the 2nd fraction, since 27 × 20 = 540,
   45/27 = 45 × 20/27 × 20 = 900/540
4. Add the two like fractions:
   108/540 + 900/540 = 108 + 900/540 = 1008/540
5. 1008/540 simplified gives 28/15
6. So, 12/60 + 45/27 = 28/15
   In mixed form: 113/15

MathStep (Works offline)

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

Related: ²⁴/₆₀+⁴⁵/₂₇ ¹²/₆₀+⁹⁰/₂₇ ¹²/₆₀+⁴⁵/₅₄ ³⁶/₆₀+⁴⁵/₂₇ ¹²/₆₀+⁴⁵/₈₁ ⁸⁴/₆₀+⁴⁵/₂₇

Add Fractions Calculator