Answers

Add 90/35 and 36/80

1^st number: 2 20/35, 2^nd number: 36/80

90/35 + 36/80 is 423/140.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 80 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 35 × 16 = 560,
   90/35 = 90 × 16/35 × 16 = 1440/560
3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
   36/80 = 36 × 7/80 × 7 = 252/560
4. Add the two like fractions:
   1440/560 + 252/560 = 1440 + 252/560 = 1692/560
5. 1692/560 simplified gives 423/140
6. So, 90/35 + 36/80 = 423/140
   In mixed form: 33/140

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