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Add 7/40 and 35/42

7/40 + 35/42 is 121/120.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 42 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 40 × 21 = 840,
    7/40 = 7 × 21/40 × 21 = 147/840
  3. Likewise, for the 2nd fraction, since 42 × 20 = 840,
    35/42 = 35 × 20/42 × 20 = 700/840
  4. Add the two like fractions:
    147/840 + 700/840 = 147 + 700/840 = 847/840
  5. 847/840 simplified gives 121/120
  6. So, 7/40 + 35/42 = 121/120
    In mixed form: 11/120

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