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Add 20/7 and 27/40

1st number: 2 6/7, 2nd number: 27/40

20/7 + 27/40 is 989/280.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 40 is 280
  2. For the 1st fraction, since 7 × 40 = 280,
    20/7 = 20 × 40/7 × 40 = 800/280
  3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
    27/40 = 27 × 7/40 × 7 = 189/280
  4. Add the two fractions:
    800/280 + 189/280 = 800 + 189/280 = 989/280
  5. So, 20/7 + 27/40 = 989/280
    In mixed form: 3149/280

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