Answers

Add 35/14 and 54/72

1^st number: 2 7/14, 2^nd number: 54/72

35/14 + 54/72 is 13/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 14 and 72 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 14 × 36 = 504,
   35/14 = 35 × 36/14 × 36 = 1260/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   54/72 = 54 × 7/72 × 7 = 378/504
4. Add the two like fractions:
   1260/504 + 378/504 = 1260 + 378/504 = 1638/504
5. 1638/504 simplified gives 13/4
6. So, 35/14 + 54/72 = 13/4
   In mixed form: 31/4

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