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Add 1/30 and 90/72

1st number: 1/30, 2nd number: 1 18/72

1/30 + 90/72 is 77/60.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 72 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 30 × 12 = 360,
    1/30 = 1 × 12/30 × 12 = 12/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    90/72 = 90 × 5/72 × 5 = 450/360
  4. Add the two like fractions:
    12/360 + 450/360 = 12 + 450/360 = 462/360
  5. 462/360 simplified gives 77/60
  6. So, 1/30 + 90/72 = 77/60
    In mixed form: 117/60

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