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Add 56/15 and 18/84

1st number: 3 11/15, 2nd number: 18/84

56/15 + 18/84 is 829/210.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 84 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 15 × 28 = 420,
    56/15 = 56 × 28/15 × 28 = 1568/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    18/84 = 18 × 5/84 × 5 = 90/420
  4. Add the two like fractions:
    1568/420 + 90/420 = 1568 + 90/420 = 1658/420
  5. 1658/420 simplified gives 829/210
  6. So, 56/15 + 18/84 = 829/210
    In mixed form: 3199/210

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