Answers

Add 80/60 and 45/72

1^st number: 1 20/60, 2^nd number: 45/72

80/60 + 45/72 is 47/24.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 72 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 60 × 6 = 360,
   80/60 = 80 × 6/60 × 6 = 480/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   45/72 = 45 × 5/72 × 5 = 225/360
4. Add the two like fractions:
   480/360 + 225/360 = 480 + 225/360 = 705/360
5. 705/360 simplified gives 47/24
6. So, 80/60 + 45/72 = 47/24
   In mixed form: 123/24

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