Answers

Add 90/84 and 15/48

1^st number: 1 6/84, 2^nd number: 15/48

90/84 + 15/48 is 155/112.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 48 is 336
   
   Next, find the equivalent fraction of both fractional numbers with denominator 336
2. For the 1st fraction, since 84 × 4 = 336,
   90/84 = 90 × 4/84 × 4 = 360/336
3. Likewise, for the 2nd fraction, since 48 × 7 = 336,
   15/48 = 15 × 7/48 × 7 = 105/336
4. Add the two like fractions:
   360/336 + 105/336 = 360 + 105/336 = 465/336
5. 465/336 simplified gives 155/112
6. So, 90/84 + 15/48 = 155/112
   In mixed form: 143/112

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