Answers

Add 90/54 and 20/30

1^st number: 1 36/54, 2^nd number: 20/30

90/54 + 20/30 is 7/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 30 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 30 × 9 = 270,
   20/30 = 20 × 9/30 × 9 = 180/270
4. Add the two like fractions:
   450/270 + 180/270 = 450 + 180/270 = 630/270
5. 630/270 simplified gives 7/3
6. So, 90/54 + 20/30 = 7/3
   In mixed form: 21/3

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