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Add 90/75 and 28/20

1st number: 1 15/75, 2nd number: 1 8/20

90/75 + 28/20 is 13/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 20 is 300

    Next, find the equivalent fraction of both fractional numbers with denominator 300
  2. For the 1st fraction, since 75 × 4 = 300,
    90/75 = 90 × 4/75 × 4 = 360/300
  3. Likewise, for the 2nd fraction, since 20 × 15 = 300,
    28/20 = 28 × 15/20 × 15 = 420/300
  4. Add the two like fractions:
    360/300 + 420/300 = 360 + 420/300 = 780/300
  5. 780/300 simplified gives 13/5
  6. So, 90/75 + 28/20 = 13/5
    In mixed form: 23/5

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