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Add 18/8 and 80/20

1st number: 2 2/8, 2nd number: 4 0/20

18/8 + 80/20 is 25/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 20 is 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,
    80/20 = 80 × 2/20 × 2 = 160/40
  4. Add the two fractions:
    90/40 + 160/40 = 90 + 160/40 = 250/40
  5. 250/40 simplified gives 25/4
  6. So, 18/8 + 80/20 = 25/4
    In mixed form: 61/4

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