Answers

Add 54/72 and 42/14

1^st number: 54/72, 2^nd number: 3 0/14

54/72 + 42/14 is 15/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 14 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 72 × 7 = 504,
   54/72 = 54 × 7/72 × 7 = 378/504
3. Likewise, for the 2nd fraction, since 14 × 36 = 504,
   42/14 = 42 × 36/14 × 36 = 1512/504
4. Add the two like fractions:
   378/504 + 1512/504 = 378 + 1512/504 = 1890/504
5. 1890/504 simplified gives 15/4
6. So, 54/72 + 42/14 = 15/4
   In mixed form: 33/4

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