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Add 72/8 and 84/20

1st number: 9 0/8, 2nd number: 4 4/20

72/8 + 84/20 is 66/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 20 is 40
  2. For the 1st fraction, since 8 × 5 = 40,
    72/8 = 72 × 5/8 × 5 = 360/40
  3. Likewise, for the 2nd fraction, since 20 × 2 = 40,
    84/20 = 84 × 2/20 × 2 = 168/40
  4. Add the two fractions:
    360/40 + 168/40 = 360 + 168/40 = 528/40
  5. 528/40 simplified gives 66/5
  6. So, 72/8 + 84/20 = 66/5
    In mixed form: 131/5

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