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Add 40/18 and 72/10

1st number: 2 4/18, 2nd number: 7 2/10

40/18 + 72/10 is 424/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 10 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 18 × 5 = 90,
    40/18 = 40 × 5/18 × 5 = 200/90
  3. Likewise, for the 2nd fraction, since 10 × 9 = 90,
    72/10 = 72 × 9/10 × 9 = 648/90
  4. Add the two like fractions:
    200/90 + 648/90 = 200 + 648/90 = 848/90
  5. 848/90 simplified gives 424/45
  6. So, 40/18 + 72/10 = 424/45
    In mixed form: 919/45

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