Answer:
31.020
Step-by-step explanation:
Multiply the fraction by 4/4 to get the denominator to 1000. Simplify to a denominator of 100 if you like. Then use place value to write your number.
... 31 + 5/250 = 31 + 20/1000 . . . . thirty-one and twenty thousandths
... = 31 + 0.020 = 31.020 . . . or . . . 31.02
