9. What is the answer when 2 4/5 is subtracted to 1 215?
A. 19/20 D. 3 3/5
C. 3 11/20 B. 1 215 D. 3 3/5
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9. What is the answer when 2 4/5 is subtracted to 1 215?
A. 19/20 D. 3 3/5
C. 3 11/20 B. 1 215 D. 3 3/5
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Answer:
2 4/5 - 1215 = -6061/5
= -1212 1/5
= -1212.2
Step-by-step explanation:
For adding, subtracting, and comparing fractions, it is suitable to adjust both fractions to a common (equal, identical) denominator. The common denominator you can calculate as the least common multiple of both denominators - LCM(5, 1) = 5. In practice, it is enough to find the common denominator (not necessarily the lowest) by multiplying the denominators: 5 × 1 = 5. In the following intermediate step, the fraction result cannot be further simplified by canceling.
In other words - fourteen fifths minus one thousand two hundred fifteen = minus six thousand sixty-one fifths.