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Add 15/90 and 45/40

1st number: 15/90, 2nd number: 1 5/40

15/90 + 45/40 is 31/24.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 40 is 360
  2. For the 1st fraction, since 90 × 4 = 360,
    15/90 = 15 × 4/90 × 4 = 60/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    45/40 = 45 × 9/40 × 9 = 405/360
  4. Add the two fractions:
    60/360 + 405/360 = 60 + 405/360 = 465/360
  5. After reducing the fraction, the answer is 31/24
  6. In mixed form: 17/24

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