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Add 21/72 and 35/60

21/72 + 35/60 is 7/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 60 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 72 × 5 = 360,
    21/72 = 21 × 5/72 × 5 = 105/360
  3. Likewise, for the 2nd fraction, since 60 × 6 = 360,
    35/60 = 35 × 6/60 × 6 = 210/360
  4. Add the two like fractions:
    105/360 + 210/360 = 105 + 210/360 = 315/360
  5. 315/360 simplified gives 7/8
  6. So, 21/72 + 35/60 = 7/8

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