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Add 90/70 and 90/75

1st number: 1 20/70, 2nd number: 1 15/75

90/70 + 90/75 is 87/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 75 is 1050

    Next, find the equivalent fraction of both fractional numbers with denominator 1050
  2. For the 1st fraction, since 70 × 15 = 1050,
    90/70 = 90 × 15/70 × 15 = 1350/1050
  3. Likewise, for the 2nd fraction, since 75 × 14 = 1050,
    90/75 = 90 × 14/75 × 14 = 1260/1050
  4. Add the two like fractions:
    1350/1050 + 1260/1050 = 1350 + 1260/1050 = 2610/1050
  5. 2610/1050 simplified gives 87/35
  6. So, 90/70 + 90/75 = 87/35
    In mixed form: 217/35

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