Answers

Add 90/14 and 63/54

1^st number: 6 6/14, 2^nd number: 1 9/54

90/14 + 63/54 is 319/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 14 and 54 is 378
   
   Next, find the equivalent fraction of both fractional numbers with denominator 378
2. For the 1st fraction, since 14 × 27 = 378,
   90/14 = 90 × 27/14 × 27 = 2430/378
3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
   63/54 = 63 × 7/54 × 7 = 441/378
4. Add the two like fractions:
   2430/378 + 441/378 = 2430 + 441/378 = 2871/378
5. 2871/378 simplified gives 319/42
6. So, 90/14 + 63/54 = 319/42
   In mixed form: 725/42

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