Answers

Add 49/8 and 84/90

1^st number: 6 1/8, 2^nd number: 84/90

49/8 + 84/90 is 847/120.

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,
   49/8 = 49 × 45/8 × 45 = 2205/360
3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
   84/90 = 84 × 4/90 × 4 = 336/360
4. Add the two like fractions:
   2205/360 + 336/360 = 2205 + 336/360 = 2541/360
5. 2541/360 simplified gives 847/120
6. So, 49/8 + 84/90 = 847/120
   In mixed form: 77/120

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