1. 7 × 5/49 + 3/14 2. 6 ×( 1/2 + 2/3 ) 3. 8 × 4/5 + 8 × 11/5 4. 31 × 5/6 – 5/6 5. 9/7 - ( 2/7 – 10/21 ) 6. 5/9 × 18 – 14 × 2/7 7. 4/5 × 25/16 + 2/3 × 3/4 8. 14 × 8/7 – 5/6 × 12/15 9. 17/32 – 3/4 × 9/24 10. 3 × 2/9 + 1/3