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Add 10/70 and 20/45

10/70 + 20/45 is 37/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 45 is 630
  2. For the 1st fraction, since 70 × 9 = 630,
    10/70 = 10 × 9/70 × 9 = 90/630
  3. Likewise, for the 2nd fraction, since 45 × 14 = 630,
    20/45 = 20 × 14/45 × 14 = 280/630
  4. Add the two fractions:
    90/630 + 280/630 = 90 + 280/630 = 370/630
  5. After reducing the fraction, the answer is 37/63

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