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Add 36/28 and 42/21

1st number: 1 8/28, 2nd number: 2 0/21

36/28 + 42/21 is 23/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 21 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 28 × 3 = 84,
    36/28 = 36 × 3/28 × 3 = 108/84
  3. Likewise, for the 2nd fraction, since 21 × 4 = 84,
    42/21 = 42 × 4/21 × 4 = 168/84
  4. Add the two like fractions:
    108/84 + 168/84 = 108 + 168/84 = 276/84
  5. 276/84 simplified gives 23/7
  6. So, 36/28 + 42/21 = 23/7
    In mixed form: 32/7

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