Answers

Add 80/75 and 45/84

1^st number: 1 5/75, 2^nd number: 45/84

80/75 + 45/84 is 673/420.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 84 is 2100
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2100
2. For the 1st fraction, since 75 × 28 = 2100,
   80/75 = 80 × 28/75 × 28 = 2240/2100
3. Likewise, for the 2nd fraction, since 84 × 25 = 2100,
   45/84 = 45 × 25/84 × 25 = 1125/2100
4. Add the two like fractions:
   2240/2100 + 1125/2100 = 2240 + 1125/2100 = 3365/2100
5. 3365/2100 simplified gives 673/420
6. So, 80/75 + 45/84 = 673/420
   In mixed form: 1253/420

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