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Add 70/45 and 21/9

1st number: 1 25/45, 2nd number: 2 3/9

70/45 + 21/9 is 35/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 9 is 45
  2. For the 1st fraction, since 45 × 1 = 45,
    70/45 = 70 × 1/45 × 1 = 70/45
  3. Likewise, for the 2nd fraction, since 9 × 5 = 45,
    21/9 = 21 × 5/9 × 5 = 105/45
  4. Add the two fractions:
    70/45 + 105/45 = 70 + 105/45 = 175/45
  5. After reducing the fraction, the answer is 35/9
  6. In mixed form: 38/9

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