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Add 15/54 and 42/49

15/54 + 42/49 is 143/126.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 49 is 2646

    Next, find the equivalent fraction of both fractional numbers with denominator 2646
  2. For the 1st fraction, since 54 × 49 = 2646,
    15/54 = 15 × 49/54 × 49 = 735/2646
  3. Likewise, for the 2nd fraction, since 49 × 54 = 2646,
    42/49 = 42 × 54/49 × 54 = 2268/2646
  4. Add the two like fractions:
    735/2646 + 2268/2646 = 735 + 2268/2646 = 3003/2646
  5. 3003/2646 simplified gives 143/126
  6. So, 15/54 + 42/49 = 143/126
    In mixed form: 117/126

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