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Add 28/72 and 42/10

1st number: 28/72, 2nd number: 4 2/10

28/72 + 42/10 is 413/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 10 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 72 × 5 = 360,
    28/72 = 28 × 5/72 × 5 = 140/360
  3. Likewise, for the 2nd fraction, since 10 × 36 = 360,
    42/10 = 42 × 36/10 × 36 = 1512/360
  4. Add the two like fractions:
    140/360 + 1512/360 = 140 + 1512/360 = 1652/360
  5. 1652/360 simplified gives 413/90
  6. So, 28/72 + 42/10 = 413/90
    In mixed form: 453/90

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