Answers

Add 49/20 and 45/28

1^st number: 2 9/20, 2^nd number: 1 17/28

49/20 + 45/28 is 142/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 28 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 20 × 7 = 140,
   49/20 = 49 × 7/20 × 7 = 343/140
3. Likewise, for the 2nd fraction, since 28 × 5 = 140,
   45/28 = 45 × 5/28 × 5 = 225/140
4. Add the two like fractions:
   343/140 + 225/140 = 343 + 225/140 = 568/140
5. 568/140 simplified gives 142/35
6. So, 49/20 + 45/28 = 142/35
   In mixed form: 42/35

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