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Add 90/28 and 30/72

1st number: 3 6/28, 2nd number: 30/72

90/28 + 30/72 is 305/84.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 72 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 28 × 18 = 504,
    90/28 = 90 × 18/28 × 18 = 1620/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    30/72 = 30 × 7/72 × 7 = 210/504
  4. Add the two like fractions:
    1620/504 + 210/504 = 1620 + 210/504 = 1830/504
  5. 1830/504 simplified gives 305/84
  6. So, 90/28 + 30/72 = 305/84
    In mixed form: 353/84

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