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Add 90/10 and 18/40

1st number: 9 0/10, 2nd number: 18/40

90/10 + 18/40 is 189/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 40 is 40
  2. For the 1st fraction, since 10 × 4 = 40,
    90/10 = 90 × 4/10 × 4 = 360/40
  3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
    18/40 = 18 × 1/40 × 1 = 18/40
  4. Add the two fractions:
    360/40 + 18/40 = 360 + 18/40 = 378/40
  5. 378/40 simplified gives 189/20
  6. So, 90/10 + 18/40 = 189/20
    In mixed form: 99/20

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