Answers

Add 40/84 and 25/20

1^st number: 40/84, 2^nd number: 1 5/20

40/84 + 25/20 is 145/84.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 20 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 84 × 5 = 420,
   40/84 = 40 × 5/84 × 5 = 200/420
3. Likewise, for the 2nd fraction, since 20 × 21 = 420,
   25/20 = 25 × 21/20 × 21 = 525/420
4. Add the two like fractions:
   200/420 + 525/420 = 200 + 525/420 = 725/420
5. 725/420 simplified gives 145/84
6. So, 40/84 + 25/20 = 145/84
   In mixed form: 161/84

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