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Add 1/21 and 30/56

1/21 + 30/56 is 7/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 56 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 21 × 8 = 168,
    1/21 = 1 × 8/21 × 8 = 8/168
  3. Likewise, for the 2nd fraction, since 56 × 3 = 168,
    30/56 = 30 × 3/56 × 3 = 90/168
  4. Add the two like fractions:
    8/168 + 90/168 = 8 + 90/168 = 98/168
  5. 98/168 simplified gives 7/12
  6. So, 1/21 + 30/56 = 7/12

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