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Add 14/15 and 21/72

14/15 + 21/72 is 49/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 72 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 15 × 24 = 360,
    14/15 = 14 × 24/15 × 24 = 336/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    21/72 = 21 × 5/72 × 5 = 105/360
  4. Add the two like fractions:
    336/360 + 105/360 = 336 + 105/360 = 441/360
  5. 441/360 simplified gives 49/40
  6. So, 14/15 + 21/72 = 49/40
    In mixed form: 19/40

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