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Add 84/70 and 4/90

1st number: 1 14/70, 2nd number: 4/90

84/70 + 4/90 is 56/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 90 is 630
  2. For the 1st fraction, since 70 × 9 = 630,
    84/70 = 84 × 9/70 × 9 = 756/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    4/90 = 4 × 7/90 × 7 = 28/630
  4. Add the two fractions:
    756/630 + 28/630 = 756 + 28/630 = 784/630
  5. After reducing the fraction, the answer is 56/45
  6. In mixed form: 111/45

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