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Add 28/20 and 1/45

1st number: 1 8/20, 2nd number: 1/45

28/20 + 1/45 is 64/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 45 is 180
  2. For the 1st fraction, since 20 × 9 = 180,
    28/20 = 28 × 9/20 × 9 = 252/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    1/45 = 1 × 4/45 × 4 = 4/180
  4. Add the two fractions:
    252/180 + 4/180 = 252 + 4/180 = 256/180
  5. After reducing the fraction, the answer is 64/45
  6. In mixed form: 119/45

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