Answers

Add 30/20 and 54/72

1^st number: 1 10/20, 2^nd number: 54/72

30/20 + 54/72 is 9/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 72 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 20 × 18 = 360,
   30/20 = 30 × 18/20 × 18 = 540/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   54/72 = 54 × 5/72 × 5 = 270/360
4. Add the two like fractions:
   540/360 + 270/360 = 540 + 270/360 = 810/360
5. 810/360 simplified gives 9/4
6. So, 30/20 + 54/72 = 9/4
   In mixed form: 21/4

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