Answers

Add 90/27 and 7/63

1^st number: 3 9/27, 2^nd number: 7/63

90/27 + 7/63 is 31/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 63 is 189
   
   Next, find the equivalent fraction of both fractional numbers with denominator 189
2. For the 1st fraction, since 27 × 7 = 189,
   90/27 = 90 × 7/27 × 7 = 630/189
3. Likewise, for the 2nd fraction, since 63 × 3 = 189,
   7/63 = 7 × 3/63 × 3 = 21/189
4. Add the two like fractions:
   630/189 + 21/189 = 630 + 21/189 = 651/189
5. 651/189 simplified gives 31/9
6. So, 90/27 + 7/63 = 31/9
   In mixed form: 34/9

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