Answers

Add 98/56 and 18/45

1^st number: 1 42/56, 2^nd number: 18/45

98/56 + 18/45 is 43/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 45 is 2520
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2520
2. For the 1st fraction, since 56 × 45 = 2520,
   98/56 = 98 × 45/56 × 45 = 4410/2520
3. Likewise, for the 2nd fraction, since 45 × 56 = 2520,
   18/45 = 18 × 56/45 × 56 = 1008/2520
4. Add the two like fractions:
   4410/2520 + 1008/2520 = 4410 + 1008/2520 = 5418/2520
5. 5418/2520 simplified gives 43/20
6. So, 98/56 + 18/45 = 43/20
   In mixed form: 23/20

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