Answers

Add 84/18 and 75/80

1^st number: 4 12/18, 2^nd number: 75/80

84/18 + 75/80 is 269/48.

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,
   84/18 = 84 × 40/18 × 40 = 3360/720
3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
   75/80 = 75 × 9/80 × 9 = 675/720
4. Add the two like fractions:
   3360/720 + 675/720 = 3360 + 675/720 = 4035/720
5. 4035/720 simplified gives 269/48
6. So, 84/18 + 75/80 = 269/48
   In mixed form: 529/48

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