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Add 7/20 and 28/9

1st number: 7/20, 2nd number: 3 1/9

7/20 + 28/9 is 623/180.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 9 is 180
  2. For the 1st fraction, since 20 × 9 = 180,
    7/20 = 7 × 9/20 × 9 = 63/180
  3. Likewise, for the 2nd fraction, since 9 × 20 = 180,
    28/9 = 28 × 20/9 × 20 = 560/180
  4. Add the two fractions:
    63/180 + 560/180 = 63 + 560/180 = 623/180
  5. In mixed form: 383/180

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