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Add 40/45 and 80/70

1st number: 40/45, 2nd number: 1 10/70

40/45 + 80/70 is 128/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 70 is 630
  2. For the 1st fraction, since 45 × 14 = 630,
    40/45 = 40 × 14/45 × 14 = 560/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    80/70 = 80 × 9/70 × 9 = 720/630
  4. Add the two fractions:
    560/630 + 720/630 = 560 + 720/630 = 1280/630
  5. 1280/630 simplified gives 128/63
  6. So, 40/45 + 80/70 = 128/63
    In mixed form: 22/63

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