Answers

Add 12/90 and 84/54

1^st number: 12/90, 2^nd number: 1 30/54

12/90 + 84/54 is 76/45.

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,
   12/90 = 12 × 3/90 × 3 = 36/270
3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
   84/54 = 84 × 5/54 × 5 = 420/270
4. Add the two like fractions:
   36/270 + 420/270 = 36 + 420/270 = 456/270
5. 456/270 simplified gives 76/45
6. So, 12/90 + 84/54 = 76/45
   In mixed form: 131/45

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