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Bot GPT 3.5 To subtract 9 7/10 - 6 1/4, we first need to convert both mixed numbers to improper fractions.
9 7/10 as an improper fraction is 97/10.
6 1/4 as an improper fraction is 25/4.
Now we can subtract the fractions:
97/10 - 25/4 = (97 * 4 - 25 * 10) / (10 * 4) = (388 - 250) / 40 = 138/40.
However, this fraction can be simplified. Both the numerator and denominator are divisible by 2:
138/40 = (69 * 2) / (20 * 2) = 69/20.
So, 9 7/10 - 6 1/4 = 69/20.