Answers

Add 90/63 and 42/64

1^st number: 1 27/63, 2^nd number: 42/64

90/63 + 42/64 is 467/224.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 64 is 4032
   
   Next, find the equivalent fraction of both fractional numbers with denominator 4032
2. For the 1st fraction, since 63 × 64 = 4032,
   90/63 = 90 × 64/63 × 64 = 5760/4032
3. Likewise, for the 2nd fraction, since 64 × 63 = 4032,
   42/64 = 42 × 63/64 × 63 = 2646/4032
4. Add the two like fractions:
   5760/4032 + 2646/4032 = 5760 + 2646/4032 = 8406/4032
5. 8406/4032 simplified gives 467/224
6. So, 90/63 + 42/64 = 467/224
   In mixed form: 219/224

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