Answers

Add 90/80 and 60/45

1^st number: 1 10/80, 2^nd number: 1 15/45

90/80 + 60/45 is 59/24.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 45 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 80 × 9 = 720,
   90/80 = 90 × 9/80 × 9 = 810/720
3. Likewise, for the 2nd fraction, since 45 × 16 = 720,
   60/45 = 60 × 16/45 × 16 = 960/720
4. Add the two like fractions:
   810/720 + 960/720 = 810 + 960/720 = 1770/720
5. 1770/720 simplified gives 59/24
6. So, 90/80 + 60/45 = 59/24
   In mixed form: 211/24

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