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Add 28/30 and 90/72

1st number: 28/30, 2nd number: 1 18/72

28/30 + 90/72 is 131/60.

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,
    28/30 = 28 × 12/30 × 12 = 336/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    90/72 = 90 × 5/72 × 5 = 450/360
  4. Add the two like fractions:
    336/360 + 450/360 = 336 + 450/360 = 786/360
  5. 786/360 simplified gives 131/60
  6. So, 28/30 + 90/72 = 131/60
    In mixed form: 211/60

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