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Add 25/45 and 54/70

25/45 + 54/70 is 418/315.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 70 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 45 × 14 = 630,
    25/45 = 25 × 14/45 × 14 = 350/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    54/70 = 54 × 9/70 × 9 = 486/630
  4. Add the two like fractions:
    350/630 + 486/630 = 350 + 486/630 = 836/630
  5. 836/630 simplified gives 418/315
  6. So, 25/45 + 54/70 = 418/315
    In mixed form: 1103/315

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