Answers

Add 18/72 and 56/49

1^st number: 18/72, 2^nd number: 1 7/49

18/72 + 56/49 is 39/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 49 is 3528
   
   Next, find the equivalent fraction of both fractional numbers with denominator 3528
2. For the 1st fraction, since 72 × 49 = 3528,
   18/72 = 18 × 49/72 × 49 = 882/3528
3. Likewise, for the 2nd fraction, since 49 × 72 = 3528,
   56/49 = 56 × 72/49 × 72 = 4032/3528
4. Add the two like fractions:
   882/3528 + 4032/3528 = 882 + 4032/3528 = 4914/3528
5. 4914/3528 simplified gives 39/28
6. So, 18/72 + 56/49 = 39/28
   In mixed form: 111/28

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