a 4/7 x 5/2 -3/8 = 10/7 - 3/8 = 59/56
b 9/10 - 7/12 =19/60
a)\(=\dfrac{4}{7}\cdot\dfrac{5}{2}-\dfrac{3}{8}=\dfrac{10}{7}-\dfrac{3}{8}=\dfrac{59}{56}\)
b)\(=\dfrac{9}{10}-\dfrac{7}{12}=\dfrac{19}{60}\)
a) 10/7 - 3/8 = 58/56
b) = 9/10 - 7/12 = 19/60
a) 10/7 - 3/8 = 58/56
b) = 9/10 - 7/12 = 19/60