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Add 42/4 and 45/84

1st number: 10 2/4, 2nd number: 45/84

42/4 + 45/84 is 309/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 84 is 84
  2. For the 1st fraction, since 4 × 21 = 84,
    42/4 = 42 × 21/4 × 21 = 882/84
  3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
    45/84 = 45 × 1/84 × 1 = 45/84
  4. Add the two fractions:
    882/84 + 45/84 = 882 + 45/84 = 927/84
  5. 927/84 simplified gives 309/28
  6. So, 42/4 + 45/84 = 309/28
    In mixed form: 111/28

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