Answers

Add 63/35 and 72/40

1^st number: 1 28/35, 2^nd number: 1 32/40

63/35 + 72/40 is 18/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 40 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 35 × 8 = 280,
   63/35 = 63 × 8/35 × 8 = 504/280
3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
   72/40 = 72 × 7/40 × 7 = 504/280
4. Add the two like fractions:
   504/280 + 504/280 = 504 + 504/280 = 1008/280
5. 1008/280 simplified gives 18/5
6. So, 63/35 + 72/40 = 18/5
   In mixed form: 33/5

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