Answers

Add 45/40 and 40/84

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

45/40 + 40/84 is 269/168.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 84 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 40 × 21 = 840,
   45/40 = 45 × 21/40 × 21 = 945/840
3. Likewise, for the 2nd fraction, since 84 × 10 = 840,
   40/84 = 40 × 10/84 × 10 = 400/840
4. Add the two like fractions:
   945/840 + 400/840 = 945 + 400/840 = 1345/840
5. 1345/840 simplified gives 269/168
6. So, 45/40 + 40/84 = 269/168
   In mixed form: 1101/168

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