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Add 70/4 and 21/18

1st number: 17 2/4, 2nd number: 1 3/18

70/4 + 21/18 is 56/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 18 is 36

    Next, find the equivalent fraction of both fractional numbers with denominator 36
  2. For the 1st fraction, since 4 × 9 = 36,
    70/4 = 70 × 9/4 × 9 = 630/36
  3. Likewise, for the 2nd fraction, since 18 × 2 = 36,
    21/18 = 21 × 2/18 × 2 = 42/36
  4. Add the two like fractions:
    630/36 + 42/36 = 630 + 42/36 = 672/36
  5. 672/36 simplified gives 56/3
  6. So, 70/4 + 21/18 = 56/3
    In mixed form: 182/3

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