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Add 45/4 and 56/7

1st number: 11 1/4, 2nd number: 8 0/7

45/4 + 56/7 is 77/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 7 is 28

    Next, find the equivalent fraction of both fractional numbers with denominator 28
  2. For the 1st fraction, since 4 × 7 = 28,
    45/4 = 45 × 7/4 × 7 = 315/28
  3. Likewise, for the 2nd fraction, since 7 × 4 = 28,
    56/7 = 56 × 4/7 × 4 = 224/28
  4. Add the two like fractions:
    315/28 + 224/28 = 315 + 224/28 = 539/28
  5. 539/28 simplified gives 77/4
  6. So, 45/4 + 56/7 = 77/4
    In mixed form: 191/4

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