Question

8/9+-4/7+11/18-4/21​

Answer 1

Answer:

8/9-4/7+11/18-4/24

Step-by-step explanation:

8/9-4/6+11/18-4/24

LCM= 3×2×6×8 =288

8/9×32/32-4/6×48/48+11/18×16/16-4/24× 12/12

1/288{256-192+176-48}

=192/288

= 0.666666666666

Answer 2

Answer:

813/504

step by step explanation:

8/9-4/7+11/18-4/21

LCM of 9,7,8,21 is 504

504-288+693-96

.....................................

504

504+693-288-96

..................................

504

1197-384

.................

504

813

.......

504

1.6130