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Add 90/75 and 70/40

1st number: 1 15/75, 2nd number: 1 30/40

90/75 + 70/40 is 59/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 40 is 600

    Next, find the equivalent fraction of both fractional numbers with denominator 600
  2. For the 1st fraction, since 75 × 8 = 600,
    90/75 = 90 × 8/75 × 8 = 720/600
  3. Likewise, for the 2nd fraction, since 40 × 15 = 600,
    70/40 = 70 × 15/40 × 15 = 1050/600
  4. Add the two like fractions:
    720/600 + 1050/600 = 720 + 1050/600 = 1770/600
  5. 1770/600 simplified gives 59/20
  6. So, 90/75 + 70/40 = 59/20
    In mixed form: 219/20

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