Answers

Add 20/54 and 80/75

1^st number: 20/54, 2^nd number: 1 5/75

20/54 + 80/75 is 194/135.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 75 is 1350
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1350
2. For the 1st fraction, since 54 × 25 = 1350,
   20/54 = 20 × 25/54 × 25 = 500/1350
3. Likewise, for the 2nd fraction, since 75 × 18 = 1350,
   80/75 = 80 × 18/75 × 18 = 1440/1350
4. Add the two like fractions:
   500/1350 + 1440/1350 = 500 + 1440/1350 = 1940/1350
5. 1940/1350 simplified gives 194/135
6. So, 20/54 + 80/75 = 194/135
   In mixed form: 159/135

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