Answers

Add 42/27 and 60/80

1^st number: 1 15/27, 2^nd number: 60/80

42/27 + 60/80 is 83/36.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 80 is 2160
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2160
2. For the 1st fraction, since 27 × 80 = 2160,
   42/27 = 42 × 80/27 × 80 = 3360/2160
3. Likewise, for the 2nd fraction, since 80 × 27 = 2160,
   60/80 = 60 × 27/80 × 27 = 1620/2160
4. Add the two like fractions:
   3360/2160 + 1620/2160 = 3360 + 1620/2160 = 4980/2160
5. 4980/2160 simplified gives 83/36
6. So, 42/27 + 60/80 = 83/36
   In mixed form: 211/36

MathStep (Works offline)

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

Related: ⁸⁴/₂₇+⁶⁰/₈₀ ⁴²/₅₄+⁶⁰/₈₀ ⁴²/₈₁+⁶⁰/₈₀

Add Fractions Calculator