Answers

Add 42/63 and 28/45

42/63 + 28/45 is 58/45.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 45 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 45 × 7 = 315,
   28/45 = 28 × 7/45 × 7 = 196/315
4. Add the two like fractions:
   210/315 + 196/315 = 210 + 196/315 = 406/315
5. 406/315 simplified gives 58/45
6. So, 42/63 + 28/45 = 58/45
   In mixed form: 113/45

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