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Add 30/25 and 18/20

1st number: 1 5/25, 2nd number: 18/20

30/25 + 18/20 is 21/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 20 is 100

    Next, find the equivalent fraction of both fractional numbers with denominator 100
  2. For the 1st fraction, since 25 × 4 = 100,
    30/25 = 30 × 4/25 × 4 = 120/100
  3. Likewise, for the 2nd fraction, since 20 × 5 = 100,
    18/20 = 18 × 5/20 × 5 = 90/100
  4. Add the two like fractions:
    120/100 + 90/100 = 120 + 90/100 = 210/100
  5. 210/100 simplified gives 21/10
  6. So, 30/25 + 18/20 = 21/10
    In mixed form: 21/10

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