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Add 72/10 and 6/4

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

72/10 + 6/4 is 87/10.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 10 × 2 = 20,
    72/10 = 72 × 2/10 × 2 = 144/20
  3. Likewise, for the 2nd fraction, since 4 × 5 = 20,
    6/4 = 6 × 5/4 × 5 = 30/20
  4. Add the two like fractions:
    144/20 + 30/20 = 144 + 30/20 = 174/20
  5. 174/20 simplified gives 87/10
  6. So, 72/10 + 6/4 = 87/10
    In mixed form: 87/10

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