Answers

Add 90/27 and 42/16

1^st number: 3 9/27, 2^nd number: 2 10/16

90/27 + 42/16 is 143/24.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 16 is 432
   
   Next, find the equivalent fraction of both fractional numbers with denominator 432
2. For the 1st fraction, since 27 × 16 = 432,
   90/27 = 90 × 16/27 × 16 = 1440/432
3. Likewise, for the 2nd fraction, since 16 × 27 = 432,
   42/16 = 42 × 27/16 × 27 = 1134/432
4. Add the two like fractions:
   1440/432 + 1134/432 = 1440 + 1134/432 = 2574/432
5. 2574/432 simplified gives 143/24
6. So, 90/27 + 42/16 = 143/24
   In mixed form: 523/24

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