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Add 42/5 and 70/90

1st number: 8 2/5, 2nd number: 70/90

42/5 + 70/90 is 413/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 90 is 90
  2. For the 1st fraction, since 5 × 18 = 90,
    42/5 = 42 × 18/5 × 18 = 756/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    70/90 = 70 × 1/90 × 1 = 70/90
  4. Add the two fractions:
    756/90 + 70/90 = 756 + 70/90 = 826/90
  5. After reducing the fraction, the answer is 413/45
  6. In mixed form: 98/45

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