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Add 70/45 and 90/56

1st number: 1 25/45, 2nd number: 1 34/56

70/45 + 90/56 is 797/252.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 56 is 2520
  2. For the 1st fraction, since 45 × 56 = 2520,
    70/45 = 70 × 56/45 × 56 = 3920/2520
  3. Likewise, for the 2nd fraction, since 56 × 45 = 2520,
    90/56 = 90 × 45/56 × 45 = 4050/2520
  4. Add the two fractions:
    3920/2520 + 4050/2520 = 3920 + 4050/2520 = 7970/2520
  5. 7970/2520 simplified gives 797/252
  6. So, 70/45 + 90/56 = 797/252
    In mixed form: 341/252

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