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Add 3/36 and 30/21

1st number: 3/36, 2nd number: 1 9/21

3/36 + 30/21 is 127/84.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 21 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 36 × 7 = 252,
    3/36 = 3 × 7/36 × 7 = 21/252
  3. Likewise, for the 2nd fraction, since 21 × 12 = 252,
    30/21 = 30 × 12/21 × 12 = 360/252
  4. Add the two like fractions:
    21/252 + 360/252 = 21 + 360/252 = 381/252
  5. 381/252 simplified gives 127/84
  6. So, 3/36 + 30/21 = 127/84
    In mixed form: 143/84

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