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Add 15/30 and 63/72

15/30 + 63/72 is 11/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 72 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 30 × 12 = 360,
    15/30 = 15 × 12/30 × 12 = 180/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    63/72 = 63 × 5/72 × 5 = 315/360
  4. Add the two like fractions:
    180/360 + 315/360 = 180 + 315/360 = 495/360
  5. 495/360 simplified gives 11/8
  6. So, 15/30 + 63/72 = 11/8
    In mixed form: 13/8

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