Answers

Add 45/84 and 90/35

1^st number: 45/84, 2^nd number: 2 20/35

45/84 + 90/35 is 87/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 35 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 84 × 5 = 420,
   45/84 = 45 × 5/84 × 5 = 225/420
3. Likewise, for the 2nd fraction, since 35 × 12 = 420,
   90/35 = 90 × 12/35 × 12 = 1080/420
4. Add the two like fractions:
   225/420 + 1080/420 = 225 + 1080/420 = 1305/420
5. 1305/420 simplified gives 87/28
6. So, 45/84 + 90/35 = 87/28
   In mixed form: 33/28

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