Answers

Add 56/35 and 90/16

1^st number: 1 21/35, 2^nd number: 5 10/16

56/35 + 90/16 is 289/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 16 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 35 × 16 = 560,
   56/35 = 56 × 16/35 × 16 = 896/560
3. Likewise, for the 2nd fraction, since 16 × 35 = 560,
   90/16 = 90 × 35/16 × 35 = 3150/560
4. Add the two like fractions:
   896/560 + 3150/560 = 896 + 3150/560 = 4046/560
5. 4046/560 simplified gives 289/40
6. So, 56/35 + 90/16 = 289/40
   In mixed form: 79/40

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