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Add 28/42 and 4/7

28/42 + 4/7 is 26/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 7 is 42
  2. For the 1st fraction, since 42 × 1 = 42,
    28/42 = 28 × 1/42 × 1 = 28/42
  3. Likewise, for the 2nd fraction, since 7 × 6 = 42,
    4/7 = 4 × 6/7 × 6 = 24/42
  4. Add the two fractions:
    28/42 + 24/42 = 28 + 24/42 = 52/42
  5. 52/42 simplified gives 26/21
  6. So, 28/42 + 4/7 = 26/21
    In mixed form: 15/21

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