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Add 90/5 and 4/42

1st number: 18 0/5, 2nd number: 4/42

90/5 + 4/42 is 380/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 42 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 5 × 42 = 210,
    90/5 = 90 × 42/5 × 42 = 3780/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    4/42 = 4 × 5/42 × 5 = 20/210
  4. Add the two like fractions:
    3780/210 + 20/210 = 3780 + 20/210 = 3800/210
  5. 3800/210 simplified gives 380/21
  6. So, 90/5 + 4/42 = 380/21
    In mixed form: 182/21

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