Decimal Subtraction ChallengeOnline version Sharpen decimal subtraction skills. by Arnab Biswas 1 What is 12.40 - 7.25? a 5.15 b 5.25 c 6.20 d 4.95 2 What is 3.40 - 0.75? a 2.75 b 2.65 c 3.05 d 2.45 3 What is 9.90 - 4.03? a 5.97 b 5.63 c 5.87 d 4.89 4 What is 15.00 - 6.20? a 8.00 b 8.40 c 9.20 d 8.80 5 What is 2.100 - 0.004? a 2.09 b 2.096 c 2.106 d 2.095 6 What is 4.50 - 1.75? a 3.75 b 2.75 c 2.50 d 2.65 7 What is 0.99 - 0.37? a 0.58 b 0.72 c 0.62 d 0.61 8 What is 20.40 - 12.000? a 8.40 b 9.000 c 8.400 d 7.999 9 What is 5.005 - 0.002? a 5.003 b 4.998 c 5.01 d 5.000 10 What is 0.300 - 0.099? a 0.200 b 0.199 c 0.202 d 0.201