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Add 20/48 and 70/72

20/48 + 70/72 is 25/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 48 and 72 is 144

    Next, find the equivalent fraction of both fractional numbers with denominator 144
  2. For the 1st fraction, since 48 × 3 = 144,
    20/48 = 20 × 3/48 × 3 = 60/144
  3. Likewise, for the 2nd fraction, since 72 × 2 = 144,
    70/72 = 70 × 2/72 × 2 = 140/144
  4. Add the two like fractions:
    60/144 + 140/144 = 60 + 140/144 = 200/144
  5. 200/144 simplified gives 25/18
  6. So, 20/48 + 70/72 = 25/18
    In mixed form: 17/18

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