Answers

Add 60/18 and 90/80

1^st number: 3 6/18, 2^nd number: 1 10/80

60/18 + 90/80 is 107/24.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 80 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 18 × 40 = 720,
   60/18 = 60 × 40/18 × 40 = 2400/720
3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
   90/80 = 90 × 9/80 × 9 = 810/720
4. Add the two like fractions:
   2400/720 + 810/720 = 2400 + 810/720 = 3210/720
5. 3210/720 simplified gives 107/24
6. So, 60/18 + 90/80 = 107/24
   In mixed form: 411/24

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