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Add 30/15 and 21/56

1st number: 2 0/15, 2nd number: 21/56

30/15 + 21/56 is 19/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 56 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 15 × 56 = 840,
    30/15 = 30 × 56/15 × 56 = 1680/840
  3. Likewise, for the 2nd fraction, since 56 × 15 = 840,
    21/56 = 21 × 15/56 × 15 = 315/840
  4. Add the two like fractions:
    1680/840 + 315/840 = 1680 + 315/840 = 1995/840
  5. 1995/840 simplified gives 19/8
  6. So, 30/15 + 21/56 = 19/8
    In mixed form: 23/8

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