Answers

Add 81/18 and 32/80

1^st number: 4 9/18, 2^nd number: 32/80

81/18 + 32/80 is 49/10.

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,
   81/18 = 81 × 40/18 × 40 = 3240/720
3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
   32/80 = 32 × 9/80 × 9 = 288/720
4. Add the two like fractions:
   3240/720 + 288/720 = 3240 + 288/720 = 3528/720
5. 3528/720 simplified gives 49/10
6. So, 81/18 + 32/80 = 49/10
   In mixed form: 49/10

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