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Add 42/40 and 25/10

1st number: 1 2/40, 2nd number: 2 5/10

42/40 + 25/10 is 71/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 10 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 40 × 1 = 40,
    42/40 = 42 × 1/40 × 1 = 42/40
  3. Likewise, for the 2nd fraction, since 10 × 4 = 40,
    25/10 = 25 × 4/10 × 4 = 100/40
  4. Add the two like fractions:
    42/40 + 100/40 = 42 + 100/40 = 142/40
  5. 142/40 simplified gives 71/20
  6. So, 42/40 + 25/10 = 71/20
    In mixed form: 311/20

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