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Add 42/20 and 45/84

1st number: 2 2/20, 2nd number: 45/84

42/20 + 45/84 is 369/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 84 is 420
  2. For the 1st fraction, since 20 × 21 = 420,
    42/20 = 42 × 21/20 × 21 = 882/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    45/84 = 45 × 5/84 × 5 = 225/420
  4. Add the two fractions:
    882/420 + 225/420 = 882 + 225/420 = 1107/420
  5. 1107/420 simplified gives 369/140
  6. So, 42/20 + 45/84 = 369/140
    In mixed form: 289/140

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