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Add 2/7 and 21/40

2/7 + 21/40 is 227/280.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 40 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 7 × 40 = 280,
    2/7 = 2 × 40/7 × 40 = 80/280
  3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
    21/40 = 21 × 7/40 × 7 = 147/280
  4. Add the two like fractions:
    80/280 + 147/280 = 80 + 147/280 = 227/280
  5. So, 2/7 + 21/40 = 227/280

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