Answers

Add 40/21 and 63/14

1^st number: 1 19/21, 2^nd number: 4 7/14

40/21 + 63/14 is 269/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 14 is 42
   
   Next, find the equivalent fraction of both fractional numbers with denominator 42
2. For the 1st fraction, since 21 × 2 = 42,
   40/21 = 40 × 2/21 × 2 = 80/42
3. Likewise, for the 2nd fraction, since 14 × 3 = 42,
   63/14 = 63 × 3/14 × 3 = 189/42
4. Add the two like fractions:
   80/42 + 189/42 = 80 + 189/42 = 269/42
5. So, 40/21 + 63/14 = 269/42
   In mixed form: 617/42

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