Answers

Add 75/40 and 50/42

1^st number: 1 35/40, 2^nd number: 1 8/42

75/40 + 50/42 is 515/168.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 42 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 40 × 21 = 840,
   75/40 = 75 × 21/40 × 21 = 1575/840
3. Likewise, for the 2nd fraction, since 42 × 20 = 840,
   50/42 = 50 × 20/42 × 20 = 1000/840
4. Add the two like fractions:
   1575/840 + 1000/840 = 1575 + 1000/840 = 2575/840
5. 2575/840 simplified gives 515/168
6. So, 75/40 + 50/42 = 515/168
   In mixed form: 311/168

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