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Add 18/56 and 70/90

18/56 + 70/90 is 277/252.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 90 is 2520

    Next, find the equivalent fraction of both fractional numbers with denominator 2520
  2. For the 1st fraction, since 56 × 45 = 2520,
    18/56 = 18 × 45/56 × 45 = 810/2520
  3. Likewise, for the 2nd fraction, since 90 × 28 = 2520,
    70/90 = 70 × 28/90 × 28 = 1960/2520
  4. Add the two like fractions:
    810/2520 + 1960/2520 = 810 + 1960/2520 = 2770/2520
  5. 2770/2520 simplified gives 277/252
  6. So, 18/56 + 70/90 = 277/252
    In mixed form: 125/252

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