Answers

Add 45/7 and 80/40

1^st number: 6 3/7, 2^nd number: 2 0/40

45/7 + 80/40 is 59/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 40 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 7 × 40 = 280,
   45/7 = 45 × 40/7 × 40 = 1800/280
3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
   80/40 = 80 × 7/40 × 7 = 560/280
4. Add the two like fractions:
   1800/280 + 560/280 = 1800 + 560/280 = 2360/280
5. 2360/280 simplified gives 59/7
6. So, 45/7 + 80/40 = 59/7
   In mixed form: 83/7

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