Answers

Add 84/45 and 18/24

1^st number: 1 39/45, 2^nd number: 18/24

84/45 + 18/24 is 157/60.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 24 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 45 × 8 = 360,
   84/45 = 84 × 8/45 × 8 = 672/360
3. Likewise, for the 2nd fraction, since 24 × 15 = 360,
   18/24 = 18 × 15/24 × 15 = 270/360
4. Add the two like fractions:
   672/360 + 270/360 = 672 + 270/360 = 942/360
5. 942/360 simplified gives 157/60
6. So, 84/45 + 18/24 = 157/60
   In mixed form: 237/60

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