Answers

Add 40/18 and 63/8

1^st number: 2 4/18, 2^nd number: 7 7/8

40/18 + 63/8 is 727/72.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 8 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 18 × 4 = 72,
   40/18 = 40 × 4/18 × 4 = 160/72
3. Likewise, for the 2nd fraction, since 8 × 9 = 72,
   63/8 = 63 × 9/8 × 9 = 567/72
4. Add the two like fractions:
   160/72 + 567/72 = 160 + 567/72 = 727/72
5. So, 40/18 + 63/8 = 727/72
   In mixed form: 107/72

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