Answers

Add 90/56 and 27/20

1^st number: 1 34/56, 2^nd number: 1 7/20

90/56 + 27/20 is 207/70.

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,
   27/20 = 27 × 14/20 × 14 = 378/280
4. Add the two like fractions:
   450/280 + 378/280 = 450 + 378/280 = 828/280
5. 828/280 simplified gives 207/70
6. So, 90/56 + 27/20 = 207/70
   In mixed form: 267/70

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