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Add 42/49 and 21/50

42/49 + 21/50 is 447/350.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 49 and 50 is 2450

    Next, find the equivalent fraction of both fractional numbers with denominator 2450
  2. For the 1st fraction, since 49 × 50 = 2450,
    42/49 = 42 × 50/49 × 50 = 2100/2450
  3. Likewise, for the 2nd fraction, since 50 × 49 = 2450,
    21/50 = 21 × 49/50 × 49 = 1029/2450
  4. Add the two like fractions:
    2100/2450 + 1029/2450 = 2100 + 1029/2450 = 3129/2450
  5. 3129/2450 simplified gives 447/350
  6. So, 42/49 + 21/50 = 447/350
    In mixed form: 197/350

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