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Add 2/84 and 42/40

1st number: 2/84, 2nd number: 1 2/40

2/84 + 42/40 is 451/420.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 40 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 84 × 10 = 840,
    2/84 = 2 × 10/84 × 10 = 20/840
  3. Likewise, for the 2nd fraction, since 40 × 21 = 840,
    42/40 = 42 × 21/40 × 21 = 882/840
  4. Add the two like fractions:
    20/840 + 882/840 = 20 + 882/840 = 902/840
  5. 902/840 simplified gives 451/420
  6. So, 2/84 + 42/40 = 451/420
    In mixed form: 131/420

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