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Add 64/15 and 70/72

1st number: 4 4/15, 2nd number: 70/72

64/15 + 70/72 is 943/180.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 72 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 15 × 24 = 360,
    64/15 = 64 × 24/15 × 24 = 1536/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    70/72 = 70 × 5/72 × 5 = 350/360
  4. Add the two like fractions:
    1536/360 + 350/360 = 1536 + 350/360 = 1886/360
  5. 1886/360 simplified gives 943/180
  6. So, 64/15 + 70/72 = 943/180
    In mixed form: 543/180

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