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Add 28/45 and 20/4

1st number: 28/45, 2nd number: 5 0/4

28/45 + 20/4 is 253/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 4 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 45 × 4 = 180,
    28/45 = 28 × 4/45 × 4 = 112/180
  3. Likewise, for the 2nd fraction, since 4 × 45 = 180,
    20/4 = 20 × 45/4 × 45 = 900/180
  4. Add the two like fractions:
    112/180 + 900/180 = 112 + 900/180 = 1012/180
  5. 1012/180 simplified gives 253/45
  6. So, 28/45 + 20/4 = 253/45
    In mixed form: 528/45

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