Answers

Add 90/56 and 15/90

1^st number: 1 34/56, 2^nd number: 15/90

90/56 + 15/90 is 149/84.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 90 is 2520
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2520
2. For the 1st fraction, since 56 × 45 = 2520,
   90/56 = 90 × 45/56 × 45 = 4050/2520
3. Likewise, for the 2nd fraction, since 90 × 28 = 2520,
   15/90 = 15 × 28/90 × 28 = 420/2520
4. Add the two like fractions:
   4050/2520 + 420/2520 = 4050 + 420/2520 = 4470/2520
5. 4470/2520 simplified gives 149/84
6. So, 90/56 + 15/90 = 149/84
   In mixed form: 165/84

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