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Add 84/70 and 21/3

1st number: 1 14/70, 2nd number: 7 0/3

84/70 + 21/3 is 41/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 3 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 70 × 3 = 210,
    84/70 = 84 × 3/70 × 3 = 252/210
  3. Likewise, for the 2nd fraction, since 3 × 70 = 210,
    21/3 = 21 × 70/3 × 70 = 1470/210
  4. Add the two like fractions:
    252/210 + 1470/210 = 252 + 1470/210 = 1722/210
  5. 1722/210 simplified gives 41/5
  6. So, 84/70 + 21/3 = 41/5
    In mixed form: 81/5

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