Answers

Add 20/63 and 81/56

1^st number: 20/63, 2^nd number: 1 25/56

20/63 + 81/56 is 127/72.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 56 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 63 × 8 = 504,
   20/63 = 20 × 8/63 × 8 = 160/504
3. Likewise, for the 2nd fraction, since 56 × 9 = 504,
   81/56 = 81 × 9/56 × 9 = 729/504
4. Add the two like fractions:
   160/504 + 729/504 = 160 + 729/504 = 889/504
5. 889/504 simplified gives 127/72
6. So, 20/63 + 81/56 = 127/72
   In mixed form: 155/72

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