Answers

Add 80/64 and 6/90

1^st number: 1 16/64, 2^nd number: 6/90

80/64 + 6/90 is 79/60.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 64 and 90 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 90 × 32 = 2880,
   6/90 = 6 × 32/90 × 32 = 192/2880
4. Add the two like fractions:
   3600/2880 + 192/2880 = 3600 + 192/2880 = 3792/2880
5. 3792/2880 simplified gives 79/60
6. So, 80/64 + 6/90 = 79/60
   In mixed form: 119/60

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