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Add 90/16 and 12/72

1st number: 5 10/16, 2nd number: 12/72

90/16 + 12/72 is 139/24.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 72 is 144

    Next, find the equivalent fraction of both fractional numbers with denominator 144
  2. For the 1st fraction, since 16 × 9 = 144,
    90/16 = 90 × 9/16 × 9 = 810/144
  3. Likewise, for the 2nd fraction, since 72 × 2 = 144,
    12/72 = 12 × 2/72 × 2 = 24/144
  4. Add the two like fractions:
    810/144 + 24/144 = 810 + 24/144 = 834/144
  5. 834/144 simplified gives 139/24
  6. So, 90/16 + 12/72 = 139/24
    In mixed form: 519/24

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