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Add 45/70 and 25/72

45/70 + 25/72 is 499/504.

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,
    45/70 = 45 × 36/70 × 36 = 1620/2520
  3. Likewise, for the 2nd fraction, since 72 × 35 = 2520,
    25/72 = 25 × 35/72 × 35 = 875/2520
  4. Add the two like fractions:
    1620/2520 + 875/2520 = 1620 + 875/2520 = 2495/2520
  5. 2495/2520 simplified gives 499/504
  6. So, 45/70 + 25/72 = 499/504

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