Answers

Add 90/63 and 75/7

1^st number: 1 27/63, 2^nd number: 10 5/7

90/63 + 75/7 is 85/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 7 is 63
   
   Next, find the equivalent fraction of both fractional numbers with denominator 63
2. For the 1st fraction, since 63 × 1 = 63,
   90/63 = 90 × 1/63 × 1 = 90/63
3. Likewise, for the 2nd fraction, since 7 × 9 = 63,
   75/7 = 75 × 9/7 × 9 = 675/63
4. Add the two like fractions:
   90/63 + 675/63 = 90 + 675/63 = 765/63
5. 765/63 simplified gives 85/7
6. So, 90/63 + 75/7 = 85/7
   In mixed form: 121/7

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