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Add 40/28 and 15/45

1st number: 1 12/28, 2nd number: 15/45

40/28 + 15/45 is 37/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 45 is 1260
  2. For the 1st fraction, since 28 × 45 = 1260,
    40/28 = 40 × 45/28 × 45 = 1800/1260
  3. Likewise, for the 2nd fraction, since 45 × 28 = 1260,
    15/45 = 15 × 28/45 × 28 = 420/1260
  4. Add the two fractions:
    1800/1260 + 420/1260 = 1800 + 420/1260 = 2220/1260
  5. 2220/1260 simplified gives 37/21
  6. So, 40/28 + 15/45 = 37/21
    In mixed form: 116/21

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