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Add 21/10 and 20/56

1st number: 2 1/10, 2nd number: 20/56

21/10 + 20/56 is 86/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 56 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 10 × 28 = 280,
    21/10 = 21 × 28/10 × 28 = 588/280
  3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
    20/56 = 20 × 5/56 × 5 = 100/280
  4. Add the two like fractions:
    588/280 + 100/280 = 588 + 100/280 = 688/280
  5. 688/280 simplified gives 86/35
  6. So, 21/10 + 20/56 = 86/35
    In mixed form: 216/35

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