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Add 20/14 and 21/15

1st number: 1 6/14, 2nd number: 1 6/15

20/14 + 21/15 is 99/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 15 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 14 × 15 = 210,
    20/14 = 20 × 15/14 × 15 = 300/210
  3. Likewise, for the 2nd fraction, since 15 × 14 = 210,
    21/15 = 21 × 14/15 × 14 = 294/210
  4. Add the two like fractions:
    300/210 + 294/210 = 300 + 294/210 = 594/210
  5. 594/210 simplified gives 99/35
  6. So, 20/14 + 21/15 = 99/35
    In mixed form: 229/35

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