subtract the sum of 2/3 and 1/2 from the sum of 5/6 , 7/12 and 4/15 .
( please give right answer in the form of fraction )
Answers
Step-by-step explanation:
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Answer:
31/60
Step-by-step explanation:
Sum of 2/3 + 1/2
L. C. M of 3 and 2 = 2×3 = 6.
So, we have to make both the fractions denominator 6.
= 2/3 = 3 × 2 = 6.
Remember that if u have multiply a number to the denominator you have to multiply the same number to the numerator.
That is of 2/ 3 = 2×2 = 4 and 3×2 = 6.
2/3 = 4/6.
And of 1/2 = 1×3 =3 and 2×3 = 6.
1/2 = 3/6.
So 4/6 + 3/6 = 7/6.
Sum of 5/6 + 7/12 + 4/15.
L. C. M of 6, 12, 15 = 60.
5/6 = 5×10 = 50 and 6×10 = 60. 5/6 = 50/60.
7/12 = 7×5 = 35 and 12×5 = 60. 7/12 = 35/60.
4/15 = 4×4 = 16 and 15×4 = 60. 4/15 = 16/60.
Now we have to add it = 50 + 35 + 16/ 60 = 101/60
THEN we have to substract the two sum
= 101/60 - 7/6
L. C. M of 60 and 6= 60.
101/60 = 101/60 but 7/6 = 7×10 = 70 and 6×10 = 60.
101 - 70 / 60 = 31/ 60.
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