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Add 70/4 and 72/10

1st number: 17 2/4, 2nd number: 7 2/10

70/4 + 72/10 is 247/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 10 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 4 × 5 = 20,
    70/4 = 70 × 5/4 × 5 = 350/20
  3. Likewise, for the 2nd fraction, since 10 × 2 = 20,
    72/10 = 72 × 2/10 × 2 = 144/20
  4. Add the two like fractions:
    350/20 + 144/20 = 350 + 144/20 = 494/20
  5. 494/20 simplified gives 247/10
  6. So, 70/4 + 72/10 = 247/10
    In mixed form: 247/10

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