Answers

Add 54/28 and 42/64

1^st number: 1 26/28, 2^nd number: 42/64

54/28 + 42/64 is 579/224.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 64 is 448
   
   Next, find the equivalent fraction of both fractional numbers with denominator 448
2. For the 1st fraction, since 28 × 16 = 448,
   54/28 = 54 × 16/28 × 16 = 864/448
3. Likewise, for the 2nd fraction, since 64 × 7 = 448,
   42/64 = 42 × 7/64 × 7 = 294/448
4. Add the two like fractions:
   864/448 + 294/448 = 864 + 294/448 = 1158/448
5. 1158/448 simplified gives 579/224
6. So, 54/28 + 42/64 = 579/224
   In mixed form: 2131/224

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