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Add 1/72 and 30/20

1st number: 1/72, 2nd number: 1 10/20

1/72 + 30/20 is 109/72.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 20 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 72 × 5 = 360,
    1/72 = 1 × 5/72 × 5 = 5/360
  3. Likewise, for the 2nd fraction, since 20 × 18 = 360,
    30/20 = 30 × 18/20 × 18 = 540/360
  4. Add the two like fractions:
    5/360 + 540/360 = 5 + 540/360 = 545/360
  5. 545/360 simplified gives 109/72
  6. So, 1/72 + 30/20 = 109/72
    In mixed form: 137/72

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