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Add 4/5 and 3/7

4/5 + 3/7 is 43/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 7 is 35
  2. For the 1st fraction, since 5 × 7 = 35,
    4/5 = 4 × 7/5 × 7 = 28/35
  3. Likewise, for the 2nd fraction, since 7 × 5 = 35,
    3/7 = 3 × 5/7 × 5 = 15/35
  4. Add the two fractions:
    28/35 + 15/35 = 28 + 15/35 = 43/35
  5. So, 4/5 + 3/7 = 43/35
    In mixed form: 18/35

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