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Add 72/90 and 20/48

72/90 + 20/48 is 73/60.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 48 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 90 × 8 = 720,
    72/90 = 72 × 8/90 × 8 = 576/720
  3. Likewise, for the 2nd fraction, since 48 × 15 = 720,
    20/48 = 20 × 15/48 × 15 = 300/720
  4. Add the two like fractions:
    576/720 + 300/720 = 576 + 300/720 = 876/720
  5. 876/720 simplified gives 73/60
  6. So, 72/90 + 20/48 = 73/60
    In mixed form: 113/60

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