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Add 42/40 and 7/54

1st number: 1 2/40, 2nd number: 7/54

42/40 + 7/54 is 637/540.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 54 is 1080
  2. For the 1st fraction, since 40 × 27 = 1080,
    42/40 = 42 × 27/40 × 27 = 1134/1080
  3. Likewise, for the 2nd fraction, since 54 × 20 = 1080,
    7/54 = 7 × 20/54 × 20 = 140/1080
  4. Add the two fractions:
    1134/1080 + 140/1080 = 1134 + 140/1080 = 1274/1080
  5. 1274/1080 simplified gives 637/540
  6. So, 42/40 + 7/54 = 637/540
    In mixed form: 197/540

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