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Add 25/20 and 7/40

1st number: 1 5/20, 2nd number: 7/40

25/20 + 7/40 is 57/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 40 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 20 × 2 = 40,
    25/20 = 25 × 2/20 × 2 = 50/40
  3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
    7/40 = 7 × 1/40 × 1 = 7/40
  4. Add the two like fractions:
    50/40 + 7/40 = 50 + 7/40 = 57/40
  5. So, 25/20 + 7/40 = 57/40
    In mixed form: 117/40

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