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Add 30/60 and 72/90

30/60 + 72/90 is 13/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 90 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 60 × 3 = 180,
    30/60 = 30 × 3/60 × 3 = 90/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    72/90 = 72 × 2/90 × 2 = 144/180
  4. Add the two like fractions:
    90/180 + 144/180 = 90 + 144/180 = 234/180
  5. 234/180 simplified gives 13/10
  6. So, 30/60 + 72/90 = 13/10
    In mixed form: 13/10

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