Answers

Add 60/18 and 60/80

1^st number: 3 6/18, 2^nd number: 60/80

60/18 + 60/80 is 49/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 80 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 18 × 40 = 720,
   60/18 = 60 × 40/18 × 40 = 2400/720
3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
   60/80 = 60 × 9/80 × 9 = 540/720
4. Add the two like fractions:
   2400/720 + 540/720 = 2400 + 540/720 = 2940/720
5. 2940/720 simplified gives 49/12
6. So, 60/18 + 60/80 = 49/12
   In mixed form: 41/12

MathStep (Works offline)

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

Related: ⁶⁰/₃₆+⁶⁰/₈₀ ⁶⁰/₅₄+⁶⁰/₈₀ ⁶⁰/₉₀+⁶⁰/₈₀

Add Fractions Calculator