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Add 18/30 and 90/8

1st number: 18/30, 2nd number: 11 2/8

18/30 + 90/8 is 237/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 8 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 30 × 4 = 120,
    18/30 = 18 × 4/30 × 4 = 72/120
  3. Likewise, for the 2nd fraction, since 8 × 15 = 120,
    90/8 = 90 × 15/8 × 15 = 1350/120
  4. Add the two like fractions:
    72/120 + 1350/120 = 72 + 1350/120 = 1422/120
  5. 1422/120 simplified gives 237/20
  6. So, 18/30 + 90/8 = 237/20
    In mixed form: 1117/20

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