Answers

Add 35/80 and 90/84

1^st number: 35/80, 2^nd number: 1 6/84

35/80 + 90/84 is 169/112.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 84 is 1680
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1680
2. For the 1st fraction, since 80 × 21 = 1680,
   35/80 = 35 × 21/80 × 21 = 735/1680
3. Likewise, for the 2nd fraction, since 84 × 20 = 1680,
   90/84 = 90 × 20/84 × 20 = 1800/1680
4. Add the two like fractions:
   735/1680 + 1800/1680 = 735 + 1800/1680 = 2535/1680
5. 2535/1680 simplified gives 169/112
6. So, 35/80 + 90/84 = 169/112
   In mixed form: 157/112

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