Answers

Add 90/80 and 30/54

1^st number: 1 10/80, 2^nd number: 30/54

90/80 + 30/54 is 121/72.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 54 is 2160
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2160
2. For the 1st fraction, since 80 × 27 = 2160,
   90/80 = 90 × 27/80 × 27 = 2430/2160
3. Likewise, for the 2nd fraction, since 54 × 40 = 2160,
   30/54 = 30 × 40/54 × 40 = 1200/2160
4. Add the two like fractions:
   2430/2160 + 1200/2160 = 2430 + 1200/2160 = 3630/2160
5. 3630/2160 simplified gives 121/72
6. So, 90/80 + 30/54 = 121/72
   In mixed form: 149/72

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