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Add 28/70 and 3/45

28/70 + 3/45 is 7/15.

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,
    28/70 = 28 × 9/70 × 9 = 252/630
  3. Likewise, for the 2nd fraction, since 45 × 14 = 630,
    3/45 = 3 × 14/45 × 14 = 42/630
  4. Add the two fractions:
    252/630 + 42/630 = 252 + 42/630 = 294/630
  5. 294/630 simplified gives 7/15
  6. So, 28/70 + 3/45 = 7/15

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