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Add 70/4 and 4/72

1st number: 17 2/4, 2nd number: 4/72

70/4 + 4/72 is 158/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 72 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 4 × 18 = 72,
    70/4 = 70 × 18/4 × 18 = 1260/72
  3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
    4/72 = 4 × 1/72 × 1 = 4/72
  4. Add the two like fractions:
    1260/72 + 4/72 = 1260 + 4/72 = 1264/72
  5. 1264/72 simplified gives 158/9
  6. So, 70/4 + 4/72 = 158/9
    In mixed form: 175/9

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