Answers

Add 30/54 and 35/80

30/54 + 35/80 is 143/144.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 80 is 2160
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2160
2. For the 1st fraction, since 54 × 40 = 2160,
   30/54 = 30 × 40/54 × 40 = 1200/2160
3. Likewise, for the 2nd fraction, since 80 × 27 = 2160,
   35/80 = 35 × 27/80 × 27 = 945/2160
4. Add the two like fractions:
   1200/2160 + 945/2160 = 1200 + 945/2160 = 2145/2160
5. 2145/2160 simplified gives 143/144
6. So, 30/54 + 35/80 = 143/144

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