Answers

Add 60/18 and 90/28

1^st number: 3 6/18, 2^nd number: 3 6/28

60/18 + 90/28 is 275/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 28 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 18 × 14 = 252,
   60/18 = 60 × 14/18 × 14 = 840/252
3. Likewise, for the 2nd fraction, since 28 × 9 = 252,
   90/28 = 90 × 9/28 × 9 = 810/252
4. Add the two like fractions:
   840/252 + 810/252 = 840 + 810/252 = 1650/252
5. 1650/252 simplified gives 275/42
6. So, 60/18 + 90/28 = 275/42
   In mixed form: 623/42

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