(y−1) Get rid of the fractions by multiplying both sides of the equation by the L.C.M of the denominators ( 2 and 5 ). The L.C.M of 2 and 5 is 10. 10×
1
5
(2+y)=10×
1
2
(y−1) 2×(2+y)=5×(y−1) 2×2+2×y=5×y−1×5 4+2y=5y−5 4+5=5y−2y 9=3y Divide both sides by 3 .