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Add 18/21 and 25/7

1st number: 18/21, 2nd number: 3 4/7

18/21 + 25/7 is 31/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 7 is 21

    Next, find the equivalent fraction of both fractional numbers with denominator 21
  2. For the 1st fraction, since 21 × 1 = 21,
    18/21 = 18 × 1/21 × 1 = 18/21
  3. Likewise, for the 2nd fraction, since 7 × 3 = 21,
    25/7 = 25 × 3/7 × 3 = 75/21
  4. Add the two like fractions:
    18/21 + 75/21 = 18 + 75/21 = 93/21
  5. 93/21 simplified gives 31/7
  6. So, 18/21 + 25/7 = 31/7
    In mixed form: 43/7

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