Fractions Question Preview (ID: 15245)


Operations Of Fractions: Addition, Subtraction, Multiplication And División Fraction Of A Quantity Equivalent Fractions. TEACHERS: click here for quick copy question ID numbers.

When adding or subtracting fractions with different denominators, the first step is...
a) Calculating the l.c.m. (lowest common multiple)
b) Calculating the h.c.f. (highest common factor)
c) Adding the numerators and the denominators
d) Adding the numerators and leaving the biggest denominator

To obtain fractions with the same denominator from fractions with different denominators, the new denominator is ...
a) The l.c.m. (lowest common multiple)
b) The h.c.f. (highest common factor)
c) The biggest number
d) The smallest number

To obtain fractions with the same denominator from fractions with different denominators, the new numerator is ...
a) The result of dividing the l.c.m. by the old denominator and multiplying by the old numerator
b) The result of dividing the h.c.f. by the old denominator and multiplying by the old numerator
c) The result of the l.c.m. multiplying by the old denominator and dividing by the old numerator
d) The result of the h.c.f. multiplying by the old denominator and dividing by the old numerator

When we add or subtract fractions with the same denominator, we ...
a) leave the common denominator and add up or subtract the numerators
b) add up or subtract numerators and denominators
c) have to obtain the h.c.f. of the numerators first of all
d) have to obtain the l.c.m. of the numerators first of all

To multiply fractions, we...
a) multiply in line, top by top and bottom by bottom
b) mulitiply in cross, the top of first fraction with bottom of the second fraction and viceversa
c) have to obtain the h.c.f. of the denominators first of all
d) have to obtain the l.c.m. of the denominators first of all

To divide fractions, we...
a) mulitiply in cross, the top of first fraction with bottom of the second fraction and viceversa
b) multiply in line, top by top and bottom by bottom
c) have to obtain the h.c.f. of the denominators first of all
d) have to obtain the l.c.m. of the denominators first of all

To obtain the fraction of a quantity, we must...
a) multiply the quantity by the numerator and divide the result by the denominator
b) divide the quantity by the numerator and multiply the result by the denominator
c) add up the quantity and the numerator and subtract the denominator from the result
d) multiply numerator, quantity and denominator

In two thirds,...
a) two is the numerator and three is the denominator
b) two is the numerator and thirteen is the denominator
c) two is the denominator and three is the numerator
d) two is the denominator and thirteen is the numerator

Five sixths and three sixths, which fraction is bigger?
a) Five sixths
b) Three sixths
c) They are equivalent, they represent the same quantity
d) Neither of them are fractions

A fraction is equivalent to...
a) All are correct
b) A decimal number
c) A percentage
d) A division of two numbers, the numerator divided by the denominator

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