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Add 90/30 and 9/40

1st number: 3 0/30, 2nd number: 9/40

90/30 + 9/40 is 129/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 40 is 120
  2. For the 1st fraction, since 30 × 4 = 120,
    90/30 = 90 × 4/30 × 4 = 360/120
  3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
    9/40 = 9 × 3/40 × 3 = 27/120
  4. Add the two fractions:
    360/120 + 27/120 = 360 + 27/120 = 387/120
  5. 387/120 simplified gives 129/40
  6. So, 90/30 + 9/40 = 129/40
    In mixed form: 39/40

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