Answers

Add 35/28 and 63/40

1^st number: 1 7/28, 2^nd number: 1 23/40

35/28 + 63/40 is 113/40.

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,
   35/28 = 35 × 10/28 × 10 = 350/280
3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
   63/40 = 63 × 7/40 × 7 = 441/280
4. Add the two like fractions:
   350/280 + 441/280 = 350 + 441/280 = 791/280
5. 791/280 simplified gives 113/40
6. So, 35/28 + 63/40 = 113/40
   In mixed form: 233/40

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