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Add 72/15 and 80/8

1st number: 4 12/15, 2nd number: 10 0/8

72/15 + 80/8 is 74/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 8 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 15 × 8 = 120,
    72/15 = 72 × 8/15 × 8 = 576/120
  3. Likewise, for the 2nd fraction, since 8 × 15 = 120,
    80/8 = 80 × 15/8 × 15 = 1200/120
  4. Add the two like fractions:
    576/120 + 1200/120 = 576 + 1200/120 = 1776/120
  5. 1776/120 simplified gives 74/5
  6. So, 72/15 + 80/8 = 74/5
    In mixed form: 144/5

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