Answers

Add 27/90 and 84/54

1^st number: 27/90, 2^nd number: 1 30/54

27/90 + 84/54 is 167/90.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 54 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 90 × 3 = 270,
   27/90 = 27 × 3/90 × 3 = 81/270
3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
   84/54 = 84 × 5/54 × 5 = 420/270
4. Add the two like fractions:
   81/270 + 420/270 = 81 + 420/270 = 501/270
5. 501/270 simplified gives 167/90
6. So, 27/90 + 84/54 = 167/90
   In mixed form: 177/90

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