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Add 40/49 and 7/8

40/49 + 7/8 is 663/392.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 49 and 8 is 392

    Next, find the equivalent fraction of both fractional numbers with denominator 392
  2. For the 1st fraction, since 49 × 8 = 392,
    40/49 = 40 × 8/49 × 8 = 320/392
  3. Likewise, for the 2nd fraction, since 8 × 49 = 392,
    7/8 = 7 × 49/8 × 49 = 343/392
  4. Add the two like fractions:
    320/392 + 343/392 = 320 + 343/392 = 663/392
  5. So, 40/49 + 7/8 = 663/392
    In mixed form: 1271/392

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