Calculate 7/10-3/5
Add, subtract, multiply, or divide fractions and mixed numbers with step-by-step solutions.
7/10 × -3/5
Multiply the numerators together, and the denominators together:
= (7×-3)/(10×5)
= -21/50
= -21/50 (= -0.42 as a decimal)
How to calculate 7/10-3/5
To calculate 7/10-3/5, find the least common denominator (LCD), rewrite each fraction with that denominator, perform the operation on the numerators, and simplify the result to lowest terms.
This is a fraction arithmetic problem — we perform operations on fractions by finding common denominators for addition/subtraction, or multiplying straight across for multiplication/division.
Frequently asked questions
What is the answer to 7/10-3/5?
The answer is -21/50.
What method is used?
finding the LCD, rewriting fractions with that denominator, performing the operation on numerators, and simplifying the result.