Answers

Add 4/27 and 84/80

1^st number: 4/27, 2^nd number: 1 4/80

4/27 + 84/80 is 647/540.

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,
   4/27 = 4 × 80/27 × 80 = 320/2160
3. Likewise, for the 2nd fraction, since 80 × 27 = 2160,
   84/80 = 84 × 27/80 × 27 = 2268/2160
4. Add the two like fractions:
   320/2160 + 2268/2160 = 320 + 2268/2160 = 2588/2160
5. 2588/2160 simplified gives 647/540
6. So, 4/27 + 84/80 = 647/540
   In mixed form: 1107/540

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