How do you evaluate #9.7- 3\frac { 9} { 10} #?

1 Answer
Aug 13, 2017

Change both fractions to same form either decimals or fractions. Then subtract.

Explanation:

# 9.7 = 9 7/10#

# 9 7/10 - 3 9/10 = 8 17/10 - 3 9/10 #

# 8 17/10 - 3 9/10 = 5 8/10 #

# 5 8/10 = 5 4/5 #

# 3 9/10 = 3.9 #

# 9.7 - 3.9 = 5.8 #

Either answer is correct.