Answers

Add 40/21 and 1/18

1^st number: 1 19/21, 2^nd number: 1/18

40/21 + 1/18 is 247/126.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 18 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 21 × 6 = 126,
   40/21 = 40 × 6/21 × 6 = 240/126
3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
   1/18 = 1 × 7/18 × 7 = 7/126
4. Add the two like fractions:
   240/126 + 7/126 = 240 + 7/126 = 247/126
5. So, 40/21 + 1/18 = 247/126
   In mixed form: 1121/126

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