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Add 90/10 and 18/8

1st number: 9 0/10, 2nd number: 2 2/8

90/10 + 18/8 is 45/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 8 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 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 8 × 5 = 40,
    18/8 = 18 × 5/8 × 5 = 90/40
  4. Add the two like fractions:
    360/40 + 90/40 = 360 + 90/40 = 450/40
  5. 450/40 simplified gives 45/4
  6. So, 90/10 + 18/8 = 45/4
    In mixed form: 111/4

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