Answers

Add 98/56 and 90/45

1^st number: 1 42/56, 2^nd number: 2 0/45

98/56 + 90/45 is 15/4.

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,
   90/45 = 90 × 56/45 × 56 = 5040/2520
4. Add the two like fractions:
   4410/2520 + 5040/2520 = 4410 + 5040/2520 = 9450/2520
5. 9450/2520 simplified gives 15/4
6. So, 98/56 + 90/45 = 15/4
   In mixed form: 33/4

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