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Add 40/90 and 7/63

40/90 + 7/63 is 5/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 63 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 90 × 7 = 630,
    40/90 = 40 × 7/90 × 7 = 280/630
  3. Likewise, for the 2nd fraction, since 63 × 10 = 630,
    7/63 = 7 × 10/63 × 10 = 70/630
  4. Add the two like fractions:
    280/630 + 70/630 = 280 + 70/630 = 350/630
  5. 350/630 simplified gives 5/9
  6. So, 40/90 + 7/63 = 5/9

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