Answers

Add 40/30 and 84/72

1^st number: 1 10/30, 2^nd number: 1 12/72

40/30 + 84/72 is 5/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 72 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 30 × 12 = 360,
   40/30 = 40 × 12/30 × 12 = 480/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   84/72 = 84 × 5/72 × 5 = 420/360
4. Add the two like fractions:
   480/360 + 420/360 = 480 + 420/360 = 900/360
5. 900/360 simplified gives 5/2
6. So, 40/30 + 84/72 = 5/2
   In mixed form: 21/2

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