Answers

Add 80/21 and 49/75

1^st number: 3 17/21, 2^nd number: 49/75

80/21 + 49/75 is 781/175.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 75 is 525
   
   Next, find the equivalent fraction of both fractional numbers with denominator 525
2. For the 1st fraction, since 21 × 25 = 525,
   80/21 = 80 × 25/21 × 25 = 2000/525
3. Likewise, for the 2nd fraction, since 75 × 7 = 525,
   49/75 = 49 × 7/75 × 7 = 343/525
4. Add the two like fractions:
   2000/525 + 343/525 = 2000 + 343/525 = 2343/525
5. 2343/525 simplified gives 781/175
6. So, 80/21 + 49/75 = 781/175
   In mixed form: 481/175

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