Maths Moon

Fractions

1. 1 ${\frac {9} {20} + \frac {2} {7}}$
2. 2 ${\frac {3} {7} - \frac {17} {18}}$
3. 3 ${\frac {9} {25} \times \frac {5} {7}}$
4. 4 ${\frac {6} {40} \div \frac {17} {20}}$
5. 5 ${\frac {5} {7} + \frac {13} {16}}$
6. 6 ${\frac {7} {8} - \frac {7} {10}}$
7. 7 ${\frac {1} {4} \times \frac {4} {25}}$
8. 8 ${\frac {1} {12} \div \frac {1} {14}}$
9. 9 ${\frac {1} {3} + \frac {6} {13}}$
10. 10 ${\frac {21} {40} - \frac {7} {12}}$