Answers

Add 45/28 and 54/40

1^st number: 1 17/28, 2^nd number: 1 14/40

45/28 + 54/40 is 207/70.

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,
   45/28 = 45 × 10/28 × 10 = 450/280
3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
   54/40 = 54 × 7/40 × 7 = 378/280
4. Add the two like fractions:
   450/280 + 378/280 = 450 + 378/280 = 828/280
5. 828/280 simplified gives 207/70
6. So, 45/28 + 54/40 = 207/70
   In mixed form: 267/70

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