Answers

Add 90/49 and 42/90

1^st number: 1 41/49, 2^nd number: 42/90

90/49 + 42/90 is 1693/735.

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,
   90/49 = 90 × 90/49 × 90 = 8100/4410
3. Likewise, for the 2nd fraction, since 90 × 49 = 4410,
   42/90 = 42 × 49/90 × 49 = 2058/4410
4. Add the two like fractions:
   8100/4410 + 2058/4410 = 8100 + 2058/4410 = 10158/4410
5. 10158/4410 simplified gives 1693/735
6. So, 90/49 + 42/90 = 1693/735
   In mixed form: 2223/735

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