Answers

Add 4/3 and 9/7

1^st number: 1 1/3, 2^nd number: 1 2/7

4/3 + 9/7 is 55/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 3 and 7 is 21
2. For the 1st fraction, since 3 × 7 = 21,
   4/3 = 4 × 7/3 × 7 = 28/21
3. Likewise, for the 2nd fraction, since 7 × 3 = 21,
   9/7 = 9 × 3/7 × 3 = 27/21
4. Add the two fractions:
   28/21 + 27/21 = 28 + 27/21 = 55/21
5. In mixed form: 213/21

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