Answers

Add 30/72 and 75/18

1^st number: 30/72, 2^nd number: 4 3/18

30/72 + 75/18 is 55/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 18 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 72 × 1 = 72,
   30/72 = 30 × 1/72 × 1 = 30/72
3. Likewise, for the 2nd fraction, since 18 × 4 = 72,
   75/18 = 75 × 4/18 × 4 = 300/72
4. Add the two like fractions:
   30/72 + 300/72 = 30 + 300/72 = 330/72
5. 330/72 simplified gives 55/12
6. So, 30/72 + 75/18 = 55/12
   In mixed form: 47/12

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