Answers

Add 1/45 and 3/42

1/45 + 3/42 is 59/630.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 42 is 630
2. For the 1st fraction, since 45 × 14 = 630,
   1/45 = 1 × 14/45 × 14 = 14/630
3. Likewise, for the 2nd fraction, since 42 × 15 = 630,
   3/42 = 3 × 15/42 × 15 = 45/630
4. Add the two fractions:
   14/630 + 45/630 = 14 + 45/630 = 59/630

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