70
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The Least Common Multiple (LCM) for 7 14 10 is 70.
Only 1.
The denominator of 3/4 is 4 The denominator of 7/10 is 10 4 and 10 are not the same number so the two fractions are said to have unlike denominators.
8/9, 5/12, 6/7
5 - 2 3/10 = 2 7/10 (two and 7 tenths) 5 - 2 3/10 = 2 7/10 Change the 5 to 4 10/10. Subtract the whole numbers. 4-2=2 Subtract the numerators (top numbers) of the fractions, checking first to make sure they have common denominators (bottom numbers), which they do (both denominators are 10) 10-3=7 After subtracting the numerators, put that result on top of the common denominator. 7/10 Combine the whole number result with the fraction result. 2 7/10 or written as a decimal is 2.7