Question

tell me the answer please

Answer 1

first take the L.C.M den open the brackets and cancel dem...u will find the answer
L.C.M of 16 and 4 is 16. den to get same denominator multiply the denominator and numerator wid 4.
den u hv to subtract the numbers and u get -77/ 16.
cancel 2/7 and -77/16. u get -11/8.
2/7 × (7/16 - 21/4)
L.C.M of 16 and 4 is 16.
2/7 × (7/16 - 84/16)
2/7 × (-77/16)
open the brackets.
cancel 2 and 16 u will get 8 in the denominator in place of 16.
cancel 7 and -77 u will get -11.
and ur answer is -11/8