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Add 72/4 and 42/5

1st number: 18 0/4, 2nd number: 8 2/5

72/4 + 42/5 is 132/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 5 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 4 × 5 = 20,
    72/4 = 72 × 5/4 × 5 = 360/20
  3. Likewise, for the 2nd fraction, since 5 × 4 = 20,
    42/5 = 42 × 4/5 × 4 = 168/20
  4. Add the two like fractions:
    360/20 + 168/20 = 360 + 168/20 = 528/20
  5. 528/20 simplified gives 132/5
  6. So, 72/4 + 42/5 = 132/5
    In mixed form: 262/5

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