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Add 45/20 and 28/45

1st number: 2 5/20, 2nd number: 28/45

45/20 + 28/45 is 517/180.

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,
    45/20 = 45 × 9/20 × 9 = 405/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    28/45 = 28 × 4/45 × 4 = 112/180
  4. Add the two fractions:
    405/180 + 112/180 = 405 + 112/180 = 517/180
  5. So, 45/20 + 28/45 = 517/180
    In mixed form: 2157/180

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