Answers

Add 40/84 and 90/49

1^st number: 40/84, 2^nd number: 1 41/49

40/84 + 90/49 is 340/147.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 49 is 588
   
   Next, find the equivalent fraction of both fractional numbers with denominator 588
2. For the 1st fraction, since 84 × 7 = 588,
   40/84 = 40 × 7/84 × 7 = 280/588
3. Likewise, for the 2nd fraction, since 49 × 12 = 588,
   90/49 = 90 × 12/49 × 12 = 1080/588
4. Add the two like fractions:
   280/588 + 1080/588 = 280 + 1080/588 = 1360/588
5. 1360/588 simplified gives 340/147
6. So, 40/84 + 90/49 = 340/147
   In mixed form: 246/147

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