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To compare four fifths and three tenths, we need to have a common denominator. In this case, the least common denominator is 10. When both fractions are converted to have a denominator of 10, four fifths becomes 8/10 and three tenths becomes 3/10. Therefore, 8/10 (four fifths) is greater than 3/10 (three tenths).
yes
To add three fifths and seven tenths, we need to find a common denominator. The least common multiple of 5 and 10 is 10, so we convert three fifths to six tenths. Therefore, six tenths plus seven tenths equals thirteen tenths. Thirteen tenths can be simplified to one and three tenths, or 1.3 as a decimal.
To compare three fifths and six tenths, we need to make the denominators the same. To do this, we can convert three fifths to six tenths by multiplying the numerator and denominator by 2. This gives us six tenths, which is equal to six tenths. Therefore, three fifths is equal to six tenths in this case.