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Add 2/70 and 63/90

2/70 + 63/90 is 51/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 90 is 630
  2. For the 1st fraction, since 70 × 9 = 630,
    2/70 = 2 × 9/70 × 9 = 18/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    63/90 = 63 × 7/90 × 7 = 441/630
  4. Add the two fractions:
    18/630 + 441/630 = 18 + 441/630 = 459/630
  5. 459/630 simplified gives 51/70
  6. So, 2/70 + 63/90 = 51/70

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