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Add 72/5 and 21/18

1st number: 14 2/5, 2nd number: 1 3/18

72/5 + 21/18 is 467/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 18 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 5 × 18 = 90,
    72/5 = 72 × 18/5 × 18 = 1296/90
  3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
    21/18 = 21 × 5/18 × 5 = 105/90
  4. Add the two like fractions:
    1296/90 + 105/90 = 1296 + 105/90 = 1401/90
  5. 1401/90 simplified gives 467/30
  6. So, 72/5 + 21/18 = 467/30
    In mixed form: 1517/30

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