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Add 54/70 and 30/72

54/70 + 30/72 is 499/420.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 72 is 2520

    Next, find the equivalent fraction of both fractional numbers with denominator 2520
  2. For the 1st fraction, since 70 × 36 = 2520,
    54/70 = 54 × 36/70 × 36 = 1944/2520
  3. Likewise, for the 2nd fraction, since 72 × 35 = 2520,
    30/72 = 30 × 35/72 × 35 = 1050/2520
  4. Add the two like fractions:
    1944/2520 + 1050/2520 = 1944 + 1050/2520 = 2994/2520
  5. 2994/2520 simplified gives 499/420
  6. So, 54/70 + 30/72 = 499/420
    In mixed form: 179/420

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