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Add 45/28 and 9/80

1st number: 1 17/28, 2nd number: 9/80

45/28 + 9/80 is 963/560.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 80 is 560
  2. For the 1st fraction, since 28 × 20 = 560,
    45/28 = 45 × 20/28 × 20 = 900/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    9/80 = 9 × 7/80 × 7 = 63/560
  4. Add the two fractions:
    900/560 + 63/560 = 900 + 63/560 = 963/560
  5. So, 45/28 + 9/80 = 963/560
    In mixed form: 1403/560

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