Answers

Add 18/40 and 84/60

1^st number: 18/40, 2^nd number: 1 24/60

18/40 + 84/60 is 37/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 60 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 40 × 3 = 120,
   18/40 = 18 × 3/40 × 3 = 54/120
3. Likewise, for the 2nd fraction, since 60 × 2 = 120,
   84/60 = 84 × 2/60 × 2 = 168/120
4. Add the two like fractions:
   54/120 + 168/120 = 54 + 168/120 = 222/120
5. 222/120 simplified gives 37/20
6. So, 18/40 + 84/60 = 37/20
   In mixed form: 117/20

MathStep (Works offline)

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

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

Add Fractions Calculator