Question

L.c.m subtract fraction of 4/5,2/15,15/15

Answer 1

Answer:

Subtract 4/5 from 2/15

2

15

-

4

5

is

-2

3

.

Steps for subtracting fractions

Find the least common denominator or LCM of the two denominators:

LCM of 15 and 5 is 15

Next, find the equivalent fraction of both fractional numbers with denominator 15

For the 1st fraction, since 15 × 1 = 15,

2

15

=

2 × 1

15 × 1

=

2

15

Likewise, for the 2nd fraction, since 5 × 3 = 15,

4

5

=

4 × 3

5 × 3

=

12

15

Subtract the two like fractions:

2

15

-

12

15

=

2 - 12

15

=

-10

15

After reducing the fraction, the answer is

-2

3