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Add 2/20 and 63/72

2/20 + 63/72 is 39/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 72 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 20 × 18 = 360,
    2/20 = 2 × 18/20 × 18 = 36/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    63/72 = 63 × 5/72 × 5 = 315/360
  4. Add the two like fractions:
    36/360 + 315/360 = 36 + 315/360 = 351/360
  5. 351/360 simplified gives 39/40
  6. So, 2/20 + 63/72 = 39/40

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