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Add 30/36 and 56/21

1st number: 30/36, 2nd number: 2 14/21

30/36 + 56/21 is 7/2.

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,
    30/36 = 30 × 7/36 × 7 = 210/252
  3. Likewise, for the 2nd fraction, since 21 × 12 = 252,
    56/21 = 56 × 12/21 × 12 = 672/252
  4. Add the two like fractions:
    210/252 + 672/252 = 210 + 672/252 = 882/252
  5. 882/252 simplified gives 7/2
  6. So, 30/36 + 56/21 = 7/2
    In mixed form: 31/2

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