Simplify 5/8+3/4-7/12

5/8 + 3/4 -7/12
Taking LCM of denominators we get 24
Thus multiplying each term's numerator and denominator with a proper number so that denominator of each fraction becomes 24 we get
= (5 * 3)/24 + (3 * 6)/24 - (7 * 2)/24
= 15/24 + 18/24 - 14/24
Since denominators of all terms are same thus adding simply numerators we get
= (15 + 18 - 14)/24
= 19/24    Ans

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