Answers

Add 90/27 and 50/45

1^st number: 3 9/27, 2^nd number: 1 5/45

90/27 + 50/45 is 40/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 45 is 135
   
   Next, find the equivalent fraction of both fractional numbers with denominator 135
2. For the 1st fraction, since 27 × 5 = 135,
   90/27 = 90 × 5/27 × 5 = 450/135
3. Likewise, for the 2nd fraction, since 45 × 3 = 135,
   50/45 = 50 × 3/45 × 3 = 150/135
4. Add the two like fractions:
   450/135 + 150/135 = 450 + 150/135 = 600/135
5. 600/135 simplified gives 40/9
6. So, 90/27 + 50/45 = 40/9
   In mixed form: 44/9

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