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Add 90/21 and 70/5

1st number: 4 6/21, 2nd number: 14 0/5

90/21 + 70/5 is 128/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 5 is 105
  2. For the 1st fraction, since 21 × 5 = 105,
    90/21 = 90 × 5/21 × 5 = 450/105
  3. Likewise, for the 2nd fraction, since 5 × 21 = 105,
    70/5 = 70 × 21/5 × 21 = 1470/105
  4. Add the two fractions:
    450/105 + 1470/105 = 450 + 1470/105 = 1920/105
  5. After reducing the fraction, the answer is 128/7
  6. In mixed form: 182/7

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