Answers

Add 28/48 and 90/27

1^st number: 28/48, 2^nd number: 3 9/27

28/48 + 90/27 is 47/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 48 and 27 is 432
   
   Next, find the equivalent fraction of both fractional numbers with denominator 432
2. For the 1st fraction, since 48 × 9 = 432,
   28/48 = 28 × 9/48 × 9 = 252/432
3. Likewise, for the 2nd fraction, since 27 × 16 = 432,
   90/27 = 90 × 16/27 × 16 = 1440/432
4. Add the two like fractions:
   252/432 + 1440/432 = 252 + 1440/432 = 1692/432
5. 1692/432 simplified gives 47/12
6. So, 28/48 + 90/27 = 47/12
   In mixed form: 311/12

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