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Add 18/40 and 45/28

1st number: 18/40, 2nd number: 1 17/28

18/40 + 45/28 is 72/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 28 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 40 × 7 = 280,
    18/40 = 18 × 7/40 × 7 = 126/280
  3. Likewise, for the 2nd fraction, since 28 × 10 = 280,
    45/28 = 45 × 10/28 × 10 = 450/280
  4. Add the two like fractions:
    126/280 + 450/280 = 126 + 450/280 = 576/280
  5. 576/280 simplified gives 72/35
  6. So, 18/40 + 45/28 = 72/35
    In mixed form: 22/35

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