Answers

Add 75/54 and 42/16

1^st number: 1 21/54, 2^nd number: 2 10/16

75/54 + 42/16 is 289/72.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 16 is 432
   
   Next, find the equivalent fraction of both fractional numbers with denominator 432
2. For the 1st fraction, since 54 × 8 = 432,
   75/54 = 75 × 8/54 × 8 = 600/432
3. Likewise, for the 2nd fraction, since 16 × 27 = 432,
   42/16 = 42 × 27/16 × 27 = 1134/432
4. Add the two like fractions:
   600/432 + 1134/432 = 600 + 1134/432 = 1734/432
5. 1734/432 simplified gives 289/72
6. So, 75/54 + 42/16 = 289/72
   In mixed form: 41/72

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