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Add 18/8 and 25/20

1st number: 2 2/8, 2nd number: 1 5/20

18/8 + 25/20 is 7/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 20 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 8 × 5 = 40,
    18/8 = 18 × 5/8 × 5 = 90/40
  3. Likewise, for the 2nd fraction, since 20 × 2 = 40,
    25/20 = 25 × 2/20 × 2 = 50/40
  4. Add the two like fractions:
    90/40 + 50/40 = 90 + 50/40 = 140/40
  5. 140/40 simplified gives 7/2
  6. So, 18/8 + 25/20 = 7/2
    In mixed form: 31/2

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