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Add 10/42 and 7/45

10/42 + 7/45 is 124/315.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 45 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 42 × 15 = 630,
    10/42 = 10 × 15/42 × 15 = 150/630
  3. Likewise, for the 2nd fraction, since 45 × 14 = 630,
    7/45 = 7 × 14/45 × 14 = 98/630
  4. Add the two like fractions:
    150/630 + 98/630 = 150 + 98/630 = 248/630
  5. 248/630 simplified gives 124/315
  6. So, 10/42 + 7/45 = 124/315

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