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Add 70/72 and 40/20

1st number: 70/72, 2nd number: 2 0/20

70/72 + 40/20 is 107/36.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 72 × 5 = 360,
    70/72 = 70 × 5/72 × 5 = 350/360
  3. Likewise, for the 2nd fraction, since 20 × 18 = 360,
    40/20 = 40 × 18/20 × 18 = 720/360
  4. Add the two like fractions:
    350/360 + 720/360 = 350 + 720/360 = 1070/360
  5. 1070/360 simplified gives 107/36
  6. So, 70/72 + 40/20 = 107/36
    In mixed form: 235/36

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