Answers

Add 84/49 and 40/90

1^st number: 1 35/49, 2^nd number: 40/90

84/49 + 40/90 is 136/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 49 and 90 is 4410
   
   Next, find the equivalent fraction of both fractional numbers with denominator 4410
2. For the 1st fraction, since 49 × 90 = 4410,
   84/49 = 84 × 90/49 × 90 = 7560/4410
3. Likewise, for the 2nd fraction, since 90 × 49 = 4410,
   40/90 = 40 × 49/90 × 49 = 1960/4410
4. Add the two like fractions:
   7560/4410 + 1960/4410 = 7560 + 1960/4410 = 9520/4410
5. 9520/4410 simplified gives 136/63
6. So, 84/49 + 40/90 = 136/63
   In mixed form: 210/63

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