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Add 30/4 and 8/45

1st number: 7 2/4, 2nd number: 8/45

30/4 + 8/45 is 691/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 45 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 4 × 45 = 180,
    30/4 = 30 × 45/4 × 45 = 1350/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    8/45 = 8 × 4/45 × 4 = 32/180
  4. Add the two like fractions:
    1350/180 + 32/180 = 1350 + 32/180 = 1382/180
  5. 1382/180 simplified gives 691/90
  6. So, 30/4 + 8/45 = 691/90
    In mixed form: 761/90

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