To compare the ratios 3:10 and 4:15, we need to find a common denominator. In this case, the least common multiple of 10 and 15 is 30. So, the equivalent ratios are 9:30 and 8:30. Comparing these, 9:30 is larger than 8:30, so 3:10 is larger than 4:15.
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3 to 10 converts as decimal to 0.30
4 to 15 converstas decimal to 0.27
so 3 to 10 is larger ratio
The ratio 15 to 10 (also written as 15:10) can be simplified down to 3 to 2 (otherwise written as 3:2).
3 / 10
2/3
10 to 15 or 2 to 3 even
15 pennies = 15 cents 10 nickels = 10*5 cents = 50 cents The ratio is thus 15:50, or in lowest terms 3:10. Expressed as a fraction, that's 3/10; as a percent it's 30%.