Answers

Add 40/84 and 60/18

1^st number: 40/84, 2^nd number: 3 6/18

40/84 + 60/18 is 80/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 18 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 84 × 3 = 252,
   40/84 = 40 × 3/84 × 3 = 120/252
3. Likewise, for the 2nd fraction, since 18 × 14 = 252,
   60/18 = 60 × 14/18 × 14 = 840/252
4. Add the two like fractions:
   120/252 + 840/252 = 120 + 840/252 = 960/252
5. 960/252 simplified gives 80/21
6. So, 40/84 + 60/18 = 80/21
   In mixed form: 317/21

MathStep (Works offline)

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

Related: ⁸⁰/₈₄+⁶⁰/₁₈ ⁴⁰/₈₄+⁶⁰/₃₆ ⁴⁰/₈₄+⁶⁰/₅₄ ⁴⁰/₈₄+⁶⁰/₉₀

Add Fractions Calculator