Answers

Add 30/36 and 90/72

1^st number: 30/36, 2^nd number: 1 18/72

30/36 + 90/72 is 25/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 72 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 36 × 2 = 72,
   30/36 = 30 × 2/36 × 2 = 60/72
3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
   90/72 = 90 × 1/72 × 1 = 90/72
4. Add the two like fractions:
   60/72 + 90/72 = 60 + 90/72 = 150/72
5. 150/72 simplified gives 25/12
6. So, 30/36 + 90/72 = 25/12
   In mixed form: 21/12

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