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Add 75/20 and 10/90

1st number: 3 15/20, 2nd number: 10/90

75/20 + 10/90 is 139/36.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 90 is 180
  2. For the 1st fraction, since 20 × 9 = 180,
    75/20 = 75 × 9/20 × 9 = 675/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    10/90 = 10 × 2/90 × 2 = 20/180
  4. Add the two fractions:
    675/180 + 20/180 = 675 + 20/180 = 695/180
  5. After reducing the fraction, the answer is 139/36
  6. In mixed form: 331/36

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