Answers

Add 63/72 and 80/60

1^st number: 63/72, 2^nd number: 1 20/60

63/72 + 80/60 is 53/24.

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,
   63/72 = 63 × 5/72 × 5 = 315/360
3. Likewise, for the 2nd fraction, since 60 × 6 = 360,
   80/60 = 80 × 6/60 × 6 = 480/360
4. Add the two like fractions:
   315/360 + 480/360 = 315 + 480/360 = 795/360
5. 795/360 simplified gives 53/24
6. So, 63/72 + 80/60 = 53/24
   In mixed form: 25/24

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