Answers

Add 16/20 and 90/54

1^st number: 16/20, 2^nd number: 1 36/54

16/20 + 90/54 is 37/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 54 is 540
   
   Next, find the equivalent fraction of both fractional numbers with denominator 540
2. For the 1st fraction, since 20 × 27 = 540,
   16/20 = 16 × 27/20 × 27 = 432/540
3. Likewise, for the 2nd fraction, since 54 × 10 = 540,
   90/54 = 90 × 10/54 × 10 = 900/540
4. Add the two like fractions:
   432/540 + 900/540 = 432 + 900/540 = 1332/540
5. 1332/540 simplified gives 37/15
6. So, 16/20 + 90/54 = 37/15
   In mixed form: 27/15

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