Answers

Add 84/72 and 45/15

1^st number: 1 12/72, 2^nd number: 3 0/15

84/72 + 45/15 is 25/6.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 15 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 15 × 24 = 360,
   45/15 = 45 × 24/15 × 24 = 1080/360
4. Add the two like fractions:
   420/360 + 1080/360 = 420 + 1080/360 = 1500/360
5. 1500/360 simplified gives 25/6
6. So, 84/72 + 45/15 = 25/6
   In mixed form: 41/6

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