Answers

Add 70/45 and 90/64

1^st number: 1 25/45, 2^nd number: 1 26/64

70/45 + 90/64 is 853/288.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 64 is 2880
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2880
2. For the 1st fraction, since 45 × 64 = 2880,
   70/45 = 70 × 64/45 × 64 = 4480/2880
3. Likewise, for the 2nd fraction, since 64 × 45 = 2880,
   90/64 = 90 × 45/64 × 45 = 4050/2880
4. Add the two like fractions:
   4480/2880 + 4050/2880 = 4480 + 4050/2880 = 8530/2880
5. 8530/2880 simplified gives 853/288
6. So, 70/45 + 90/64 = 853/288
   In mixed form: 2277/288

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