Answers

Add 42/63 and 7/75

42/63 + 7/75 is 19/25.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 75 is 1575
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1575
2. For the 1st fraction, since 63 × 25 = 1575,
   42/63 = 42 × 25/63 × 25 = 1050/1575
3. Likewise, for the 2nd fraction, since 75 × 21 = 1575,
   7/75 = 7 × 21/75 × 21 = 147/1575
4. Add the two like fractions:
   1050/1575 + 147/1575 = 1050 + 147/1575 = 1197/1575
5. 1197/1575 simplified gives 19/25
6. So, 42/63 + 7/75 = 19/25

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