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Add 90/75 and 9/10

1st number: 1 15/75, 2nd number: 9/10

90/75 + 9/10 is 21/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 10 is 150

    Next, find the equivalent fraction of both fractional numbers with denominator 150
  2. For the 1st fraction, since 75 × 2 = 150,
    90/75 = 90 × 2/75 × 2 = 180/150
  3. Likewise, for the 2nd fraction, since 10 × 15 = 150,
    9/10 = 9 × 15/10 × 15 = 135/150
  4. Add the two like fractions:
    180/150 + 135/150 = 180 + 135/150 = 315/150
  5. 315/150 simplified gives 21/10
  6. So, 90/75 + 9/10 = 21/10
    In mixed form: 21/10

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