Answers

Add 90/48 and 20/84

1^st number: 1 42/48, 2^nd number: 20/84

90/48 + 20/84 is 355/168.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 48 and 84 is 336
   
   Next, find the equivalent fraction of both fractional numbers with denominator 336
2. For the 1st fraction, since 48 × 7 = 336,
   90/48 = 90 × 7/48 × 7 = 630/336
3. Likewise, for the 2nd fraction, since 84 × 4 = 336,
   20/84 = 20 × 4/84 × 4 = 80/336
4. Add the two like fractions:
   630/336 + 80/336 = 630 + 80/336 = 710/336
5. 710/336 simplified gives 355/168
6. So, 90/48 + 20/84 = 355/168
   In mixed form: 219/168

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