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Add 70/15 and 1/84

1st number: 4 10/15, 2nd number: 1/84

70/15 + 1/84 is 131/28.

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,
    70/15 = 70 × 28/15 × 28 = 1960/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    1/84 = 1 × 5/84 × 5 = 5/420
  4. Add the two like fractions:
    1960/420 + 5/420 = 1960 + 5/420 = 1965/420
  5. 1965/420 simplified gives 131/28
  6. So, 70/15 + 1/84 = 131/28
    In mixed form: 419/28

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