Answers

Add 90/27 and 90/8

1^st number: 3 9/27, 2^nd number: 11 2/8

90/27 + 90/8 is 175/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 8 is 216
   
   Next, find the equivalent fraction of both fractional numbers with denominator 216
2. For the 1st fraction, since 27 × 8 = 216,
   90/27 = 90 × 8/27 × 8 = 720/216
3. Likewise, for the 2nd fraction, since 8 × 27 = 216,
   90/8 = 90 × 27/8 × 27 = 2430/216
4. Add the two like fractions:
   720/216 + 2430/216 = 720 + 2430/216 = 3150/216
5. 3150/216 simplified gives 175/12
6. So, 90/27 + 90/8 = 175/12
   In mixed form: 147/12

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