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Add 70/18 and 90/16

1st number: 3 16/18, 2nd number: 5 10/16

70/18 + 90/16 is 685/72.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 16 is 144
  2. For the 1st fraction, since 18 × 8 = 144,
    70/18 = 70 × 8/18 × 8 = 560/144
  3. Likewise, for the 2nd fraction, since 16 × 9 = 144,
    90/16 = 90 × 9/16 × 9 = 810/144
  4. Add the two fractions:
    560/144 + 810/144 = 560 + 810/144 = 1370/144
  5. 1370/144 simplified gives 685/72
  6. So, 70/18 + 90/16 = 685/72
    In mixed form: 937/72

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