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Add 15/72 and 42/5

1st number: 15/72, 2nd number: 8 2/5

15/72 + 42/5 is 1033/120.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 5 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 72 × 5 = 360,
    15/72 = 15 × 5/72 × 5 = 75/360
  3. Likewise, for the 2nd fraction, since 5 × 72 = 360,
    42/5 = 42 × 72/5 × 72 = 3024/360
  4. Add the two like fractions:
    75/360 + 3024/360 = 75 + 3024/360 = 3099/360
  5. 3099/360 simplified gives 1033/120
  6. So, 15/72 + 42/5 = 1033/120
    In mixed form: 873/120

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