Answers

Add 40/21 and 3/84

1^st number: 1 19/21, 2^nd number: 3/84

40/21 + 3/84 is 163/84.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 84 is 84
2. For the 1st fraction, since 21 × 4 = 84,
   40/21 = 40 × 4/21 × 4 = 160/84
3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
   3/84 = 3 × 1/84 × 1 = 3/84
4. Add the two fractions:
   160/84 + 3/84 = 160 + 3/84 = 163/84
5. In mixed form: 179/84

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