Answers

Add 42/63 and 7/35

42/63 + 7/35 is 13/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 35 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 63 × 5 = 315,
   42/63 = 42 × 5/63 × 5 = 210/315
3. Likewise, for the 2nd fraction, since 35 × 9 = 315,
   7/35 = 7 × 9/35 × 9 = 63/315
4. Add the two like fractions:
   210/315 + 63/315 = 210 + 63/315 = 273/315
5. 273/315 simplified gives 13/15
6. So, 42/63 + 7/35 = 13/15

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