Answers

Add 35/28 and 48/40

1^st number: 1 7/28, 2^nd number: 1 8/40

35/28 + 48/40 is 49/20.

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,
   35/28 = 35 × 10/28 × 10 = 350/280
3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
   48/40 = 48 × 7/40 × 7 = 336/280
4. Add the two like fractions:
   350/280 + 336/280 = 350 + 336/280 = 686/280
5. 686/280 simplified gives 49/20
6. So, 35/28 + 48/40 = 49/20
   In mixed form: 29/20

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