Answers

Add 30/20 and 72/96

1^st number: 1 10/20, 2^nd number: 72/96

30/20 + 72/96 is 9/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 96 is 480
   
   Next, find the equivalent fraction of both fractional numbers with denominator 480
2. For the 1st fraction, since 20 × 24 = 480,
   30/20 = 30 × 24/20 × 24 = 720/480
3. Likewise, for the 2nd fraction, since 96 × 5 = 480,
   72/96 = 72 × 5/96 × 5 = 360/480
4. Add the two like fractions:
   720/480 + 360/480 = 720 + 360/480 = 1080/480
5. 1080/480 simplified gives 9/4
6. So, 30/20 + 72/96 = 9/4
   In mixed form: 21/4

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