Answers

Add 84/72 and 8/60

1^st number: 1 12/72, 2^nd number: 8/60

84/72 + 8/60 is 13/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 60 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 60 × 6 = 360,
   8/60 = 8 × 6/60 × 6 = 48/360
4. Add the two like fractions:
   420/360 + 48/360 = 420 + 48/360 = 468/360
5. 468/360 simplified gives 13/10
6. So, 84/72 + 8/60 = 13/10
   In mixed form: 13/10

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