Answers

Add 80/40 and 45/9

1^st number: 2 0/40, 2^nd number: 5 0/9

80/40 + 45/9 is 7/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 9 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 40 × 9 = 360,
   80/40 = 80 × 9/40 × 9 = 720/360
3. Likewise, for the 2nd fraction, since 9 × 40 = 360,
   45/9 = 45 × 40/9 × 40 = 1800/360
4. Add the two like fractions:
   720/360 + 1800/360 = 720 + 1800/360 = 2520/360
5. 2520/360 simplified gives 7/1
6. So, 80/40 + 45/9 = 7/1

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