1. 3/7 × 49/9 - 4/3 2. 12× 5/6 – 2/9 ×3 3. 4.8× 5/4 + 1/4 4. 4/7 × 5/9 + 3/7 × 5/9 5. 5/2 -( 3/2 + 4/5 ) 6. 7/8 + ( 1/8 + 1/9 ) 7. 3/4 × 8/9 - 1/3 8. 7 × 5/49 + 3/14 9. 8×4/5+8 × 11/5 10. 31 × 5/6 – 5/6