Answers

Add 90/56 and 15/20

1^st number: 1 34/56, 2^nd number: 15/20

90/56 + 15/20 is 33/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 20 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 56 × 5 = 280,
   90/56 = 90 × 5/56 × 5 = 450/280
3. Likewise, for the 2nd fraction, since 20 × 14 = 280,
   15/20 = 15 × 14/20 × 14 = 210/280
4. Add the two like fractions:
   450/280 + 210/280 = 450 + 210/280 = 660/280
5. 660/280 simplified gives 33/14
6. So, 90/56 + 15/20 = 33/14
   In mixed form: 25/14

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