Answers

Add 20/40 and 63/28

1^st number: 20/40, 2^nd number: 2 7/28

20/40 + 63/28 is 11/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 28 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 40 × 7 = 280,
   20/40 = 20 × 7/40 × 7 = 140/280
3. Likewise, for the 2nd fraction, since 28 × 10 = 280,
   63/28 = 63 × 10/28 × 10 = 630/280
4. Add the two like fractions:
   140/280 + 630/280 = 140 + 630/280 = 770/280
5. 770/280 simplified gives 11/4
6. So, 20/40 + 63/28 = 11/4
   In mixed form: 23/4

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