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Add 40/80 and 7/49

40/80 + 7/49 is 9/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 49 is 3920

    Next, find the equivalent fraction of both fractional numbers with denominator 3920
  2. For the 1st fraction, since 80 × 49 = 3920,
    40/80 = 40 × 49/80 × 49 = 1960/3920
  3. Likewise, for the 2nd fraction, since 49 × 80 = 3920,
    7/49 = 7 × 80/49 × 80 = 560/3920
  4. Add the two like fractions:
    1960/3920 + 560/3920 = 1960 + 560/3920 = 2520/3920
  5. 2520/3920 simplified gives 9/14
  6. So, 40/80 + 7/49 = 9/14

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