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Add 90/25 and 42/18

1st number: 3 15/25, 2nd number: 2 6/18

90/25 + 42/18 is 89/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 18 is 450
  2. For the 1st fraction, since 25 × 18 = 450,
    90/25 = 90 × 18/25 × 18 = 1620/450
  3. Likewise, for the 2nd fraction, since 18 × 25 = 450,
    42/18 = 42 × 25/18 × 25 = 1050/450
  4. Add the two fractions:
    1620/450 + 1050/450 = 1620 + 1050/450 = 2670/450
  5. 2670/450 simplified gives 89/15
  6. So, 90/25 + 42/18 = 89/15
    In mixed form: 514/15

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