Answers

Add 98/8 and 42/90

1^st number: 12 2/8, 2^nd number: 42/90

98/8 + 42/90 is 763/60.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 90 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 8 × 45 = 360,
   98/8 = 98 × 45/8 × 45 = 4410/360
3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
   42/90 = 42 × 4/90 × 4 = 168/360
4. Add the two like fractions:
   4410/360 + 168/360 = 4410 + 168/360 = 4578/360
5. 4578/360 simplified gives 763/60
6. So, 98/8 + 42/90 = 763/60
   In mixed form: 1243/60

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