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Add 30/4 and 56/7

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

30/4 + 56/7 is 31/2.

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,
    30/4 = 30 × 7/4 × 7 = 210/28
  3. Likewise, for the 2nd fraction, since 7 × 4 = 28,
    56/7 = 56 × 4/7 × 4 = 224/28
  4. Add the two like fractions:
    210/28 + 224/28 = 210 + 224/28 = 434/28
  5. 434/28 simplified gives 31/2
  6. So, 30/4 + 56/7 = 31/2
    In mixed form: 151/2

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