Answers

Add 40/42 and 2/63

40/42 + 2/63 is 62/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 63 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 42 × 3 = 126,
   40/42 = 40 × 3/42 × 3 = 120/126
3. Likewise, for the 2nd fraction, since 63 × 2 = 126,
   2/63 = 2 × 2/63 × 2 = 4/126
4. Add the two like fractions:
   120/126 + 4/126 = 120 + 4/126 = 124/126
5. 124/126 simplified gives 62/63
6. So, 40/42 + 2/63 = 62/63

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