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Add 18/72 and 90/28

1st number: 18/72, 2nd number: 3 6/28

18/72 + 90/28 is 97/28.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 72 × 7 = 504,
    18/72 = 18 × 7/72 × 7 = 126/504
  3. Likewise, for the 2nd fraction, since 28 × 18 = 504,
    90/28 = 90 × 18/28 × 18 = 1620/504
  4. Add the two like fractions:
    126/504 + 1620/504 = 126 + 1620/504 = 1746/504
  5. 1746/504 simplified gives 97/28
  6. So, 18/72 + 90/28 = 97/28
    In mixed form: 313/28

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