Answers

Add 90/54 and 4/63

1^st number: 1 36/54, 2^nd number: 4/63

90/54 + 4/63 is 109/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 63 is 378
   
   Next, find the equivalent fraction of both fractional numbers with denominator 378
2. For the 1st fraction, since 54 × 7 = 378,
   90/54 = 90 × 7/54 × 7 = 630/378
3. Likewise, for the 2nd fraction, since 63 × 6 = 378,
   4/63 = 4 × 6/63 × 6 = 24/378
4. Add the two like fractions:
   630/378 + 24/378 = 630 + 24/378 = 654/378
5. 654/378 simplified gives 109/63
6. So, 90/54 + 4/63 = 109/63
   In mixed form: 146/63

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