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Add 1/30 and 81/20

1st number: 1/30, 2nd number: 4 1/20

1/30 + 81/20 is 49/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 20 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 30 × 2 = 60,
    1/30 = 1 × 2/30 × 2 = 2/60
  3. Likewise, for the 2nd fraction, since 20 × 3 = 60,
    81/20 = 81 × 3/20 × 3 = 243/60
  4. Add the two like fractions:
    2/60 + 243/60 = 2 + 243/60 = 245/60
  5. 245/60 simplified gives 49/12
  6. So, 1/30 + 81/20 = 49/12
    In mixed form: 41/12

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