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Add 70/90 and 7/70

70/90 + 7/70 is 79/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 70 is 630
  2. For the 1st fraction, since 90 × 7 = 630,
    70/90 = 70 × 7/90 × 7 = 490/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    7/70 = 7 × 9/70 × 9 = 63/630
  4. Add the two fractions:
    490/630 + 63/630 = 490 + 63/630 = 553/630
  5. After reducing the fraction, the answer is 79/90

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