Answers

Add 63/4 and 90/35

1^st number: 15 3/4, 2^nd number: 2 20/35

63/4 + 90/35 is 513/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 35 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 4 × 35 = 140,
   63/4 = 63 × 35/4 × 35 = 2205/140
3. Likewise, for the 2nd fraction, since 35 × 4 = 140,
   90/35 = 90 × 4/35 × 4 = 360/140
4. Add the two like fractions:
   2205/140 + 360/140 = 2205 + 360/140 = 2565/140
5. 2565/140 simplified gives 513/28
6. So, 63/4 + 90/35 = 513/28
   In mixed form: 189/28

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