Answers

Add 42/63 and 7/25

42/63 + 7/25 is 71/75.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 25 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 25 × 63 = 1575,
   7/25 = 7 × 63/25 × 63 = 441/1575
4. Add the two like fractions:
   1050/1575 + 441/1575 = 1050 + 441/1575 = 1491/1575
5. 1491/1575 simplified gives 71/75
6. So, 42/63 + 7/25 = 71/75

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