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Add 8/90 and 40/70

8/90 + 40/70 is 208/315.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 70 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 90 × 7 = 630,
    8/90 = 8 × 7/90 × 7 = 56/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    40/70 = 40 × 9/70 × 9 = 360/630
  4. Add the two like fractions:
    56/630 + 360/630 = 56 + 360/630 = 416/630
  5. 416/630 simplified gives 208/315
  6. So, 8/90 + 40/70 = 208/315

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