Answers

Add 20/63 and 48/45

1^st number: 20/63, 2^nd number: 1 3/45

20/63 + 48/45 is 436/315.

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,
   20/63 = 20 × 5/63 × 5 = 100/315
3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
   48/45 = 48 × 7/45 × 7 = 336/315
4. Add the two like fractions:
   100/315 + 336/315 = 100 + 336/315 = 436/315
5. So, 20/63 + 48/45 = 436/315
   In mixed form: 1121/315

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