Answers

Add 90/54 and 70/90

1^st number: 1 36/54, 2^nd number: 70/90

90/54 + 70/90 is 22/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 90 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 54 × 5 = 270,
   90/54 = 90 × 5/54 × 5 = 450/270
3. Likewise, for the 2nd fraction, since 90 × 3 = 270,
   70/90 = 70 × 3/90 × 3 = 210/270
4. Add the two like fractions:
   450/270 + 210/270 = 450 + 210/270 = 660/270
5. 660/270 simplified gives 22/9
6. So, 90/54 + 70/90 = 22/9
   In mixed form: 24/9

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