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Add 15/10 and 72/28

1st number: 1 5/10, 2nd number: 2 16/28

15/10 + 72/28 is 57/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 28 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 10 × 14 = 140,
    15/10 = 15 × 14/10 × 14 = 210/140
  3. Likewise, for the 2nd fraction, since 28 × 5 = 140,
    72/28 = 72 × 5/28 × 5 = 360/140
  4. Add the two like fractions:
    210/140 + 360/140 = 210 + 360/140 = 570/140
  5. 570/140 simplified gives 57/14
  6. So, 15/10 + 72/28 = 57/14
    In mixed form: 41/14

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