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Add 80/45 and 40/70

1st number: 1 35/45, 2nd number: 40/70

80/45 + 40/70 is 148/63.

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,
    80/45 = 80 × 14/45 × 14 = 1120/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    40/70 = 40 × 9/70 × 9 = 360/630
  4. Add the two fractions:
    1120/630 + 360/630 = 1120 + 360/630 = 1480/630
  5. 1480/630 simplified gives 148/63
  6. So, 80/45 + 40/70 = 148/63
    In mixed form: 222/63

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