Answers

Add 90/56 and 21/20

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

90/56 + 21/20 is 93/35.

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,
   21/20 = 21 × 14/20 × 14 = 294/280
4. Add the two like fractions:
   450/280 + 294/280 = 450 + 294/280 = 744/280
5. 744/280 simplified gives 93/35
6. So, 90/56 + 21/20 = 93/35
   In mixed form: 223/35

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