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Add 15/14 and 20/72

1st number: 1 1/14, 2nd number: 20/72

15/14 + 20/72 is 85/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 72 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 14 × 36 = 504,
    15/14 = 15 × 36/14 × 36 = 540/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    20/72 = 20 × 7/72 × 7 = 140/504
  4. Add the two like fractions:
    540/504 + 140/504 = 540 + 140/504 = 680/504
  5. 680/504 simplified gives 85/63
  6. So, 15/14 + 20/72 = 85/63
    In mixed form: 122/63

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