Answers

Add 36/10 and 90/84

1^st number: 3 6/10, 2^nd number: 1 6/84

36/10 + 90/84 is 327/70.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 84 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 10 × 42 = 420,
   36/10 = 36 × 42/10 × 42 = 1512/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   90/84 = 90 × 5/84 × 5 = 450/420
4. Add the two like fractions:
   1512/420 + 450/420 = 1512 + 450/420 = 1962/420
5. 1962/420 simplified gives 327/70
6. So, 36/10 + 90/84 = 327/70
   In mixed form: 447/70

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