Answers

Add 80/64 and 42/45

1^st number: 1 16/64, 2^nd number: 42/45

80/64 + 42/45 is 131/60.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 64 and 45 is 2880
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2880
2. For the 1st fraction, since 64 × 45 = 2880,
   80/64 = 80 × 45/64 × 45 = 3600/2880
3. Likewise, for the 2nd fraction, since 45 × 64 = 2880,
   42/45 = 42 × 64/45 × 64 = 2688/2880
4. Add the two like fractions:
   3600/2880 + 2688/2880 = 3600 + 2688/2880 = 6288/2880
5. 6288/2880 simplified gives 131/60
6. So, 80/64 + 42/45 = 131/60
   In mixed form: 211/60

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