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Add 50/56 and 21/70

50/56 + 21/70 is 167/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 70 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 56 × 5 = 280,
    50/56 = 50 × 5/56 × 5 = 250/280
  3. Likewise, for the 2nd fraction, since 70 × 4 = 280,
    21/70 = 21 × 4/70 × 4 = 84/280
  4. Add the two like fractions:
    250/280 + 84/280 = 250 + 84/280 = 334/280
  5. 334/280 simplified gives 167/140
  6. So, 50/56 + 21/70 = 167/140
    In mixed form: 127/140

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