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Add 70/72 and 25/40

70/72 + 25/40 is 115/72.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 40 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 40 × 9 = 360,
    25/40 = 25 × 9/40 × 9 = 225/360
  4. Add the two like fractions:
    350/360 + 225/360 = 350 + 225/360 = 575/360
  5. 575/360 simplified gives 115/72
  6. So, 70/72 + 25/40 = 115/72
    In mixed form: 143/72

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