Answers

Add 90/10 and 45/56

1^st number: 9 0/10, 2^nd number: 45/56

90/10 + 45/56 is 549/56.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 56 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 10 × 28 = 280,
   90/10 = 90 × 28/10 × 28 = 2520/280
3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
   45/56 = 45 × 5/56 × 5 = 225/280
4. Add the two like fractions:
   2520/280 + 225/280 = 2520 + 225/280 = 2745/280
5. 2745/280 simplified gives 549/56
6. So, 90/10 + 45/56 = 549/56
   In mixed form: 945/56

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