Answers

Add 63/28 and 4/40

1^st number: 2 7/28, 2^nd number: 4/40

63/28 + 4/40 is 47/20.

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,
   4/40 = 4 × 7/40 × 7 = 28/280
4. Add the two like fractions:
   630/280 + 28/280 = 630 + 28/280 = 658/280
5. 658/280 simplified gives 47/20
6. So, 63/28 + 4/40 = 47/20
   In mixed form: 27/20

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