Question

помогите!!!!!

1)79/80-(3/16+39/80)
2)2/45+(41/45-7/9)
3)7/15-(2/15+1/5)
4)3/16+(15/16-5/8)​

Answer 1

79/80-(3/16+39/80)=5/16

• 3/16+39/80=27/40
• 79/80-27/40=5/16