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Add 50/21 and 40/18

1st number: 2 8/21, 2nd number: 2 4/18

50/21 + 40/18 is 290/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 18 is 126
  2. For the 1st fraction, since 21 × 6 = 126,
    50/21 = 50 × 6/21 × 6 = 300/126
  3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
    40/18 = 40 × 7/18 × 7 = 280/126
  4. Add the two fractions:
    300/126 + 280/126 = 300 + 280/126 = 580/126
  5. After reducing the fraction, the answer is 290/63
  6. In mixed form: 438/63

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