Answers

Add 63/28 and 27/40

1^st number: 2 7/28, 2^nd number: 27/40

63/28 + 27/40 is 117/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 40 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 28 × 10 = 280,
   63/28 = 63 × 10/28 × 10 = 630/280
3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
   27/40 = 27 × 7/40 × 7 = 189/280
4. Add the two like fractions:
   630/280 + 189/280 = 630 + 189/280 = 819/280
5. 819/280 simplified gives 117/40
6. So, 63/28 + 27/40 = 117/40
   In mixed form: 237/40

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