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Add 2/60 and 21/72

2/60 + 21/72 is 13/40.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 60 × 6 = 360,
    2/60 = 2 × 6/60 × 6 = 12/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    21/72 = 21 × 5/72 × 5 = 105/360
  4. Add the two like fractions:
    12/360 + 105/360 = 12 + 105/360 = 117/360
  5. 117/360 simplified gives 13/40
  6. So, 2/60 + 21/72 = 13/40

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