Answers

Add 84/72 and 5/40

1^st number: 1 12/72, 2^nd number: 5/40

84/72 + 5/40 is 31/24.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 40 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 72 × 5 = 360,
   84/72 = 84 × 5/72 × 5 = 420/360
3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
   5/40 = 5 × 9/40 × 9 = 45/360
4. Add the two like fractions:
   420/360 + 45/360 = 420 + 45/360 = 465/360
5. 465/360 simplified gives 31/24
6. So, 84/72 + 5/40 = 31/24
   In mixed form: 17/24

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