Answers

Add 50/42 and 4/40

1^st number: 1 8/42, 2^nd number: 4/40

50/42 + 4/40 is 271/210.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 40 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 42 × 20 = 840,
   50/42 = 50 × 20/42 × 20 = 1000/840
3. Likewise, for the 2nd fraction, since 40 × 21 = 840,
   4/40 = 4 × 21/40 × 21 = 84/840
4. Add the two like fractions:
   1000/840 + 84/840 = 1000 + 84/840 = 1084/840
5. 1084/840 simplified gives 271/210
6. So, 50/42 + 4/40 = 271/210
   In mixed form: 161/210

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