Add the following rational numbers: 5/8 and 3/-10
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5
Answer:
13/40
Step-by-step explanation:
5/8 + ( 3/-10 )
= first make the denominators same
so, Lcm of 8 and - 10 = 5 * 2* 2* 2 = 40
so now 5/8 * 5/5 = 25/40 ( if we multiply with 5 in the denominator then we need to multiply it with the numerator also )
3/-10 = 3/-10 * -4/-4 = -12/40
now 25/40 + (-12/40 )
= 25 / 40 - 12/40
13/40
please mark as the brainest
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