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Add 42/60 and 25/63

42/60 + 25/63 is 691/630.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 63 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 60 × 21 = 1260,
    42/60 = 42 × 21/60 × 21 = 882/1260
  3. Likewise, for the 2nd fraction, since 63 × 20 = 1260,
    25/63 = 25 × 20/63 × 20 = 500/1260
  4. Add the two like fractions:
    882/1260 + 500/1260 = 882 + 500/1260 = 1382/1260
  5. 1382/1260 simplified gives 691/630
  6. So, 42/60 + 25/63 = 691/630
    In mixed form: 161/630

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