Subtract as indicated: `5 6/7-2 2/3`

Subtract as indicated: 4 3/4-2 1/6

Subtract as indicated: 4 2/5-2 1/5

Subtract as indicated: 8/3-5/9

Subtract : 7 3/7-6 2/5

Subtract the rational numbers 3/2 and 8/6 .

Subtract : 5 1/2-3 1/3

Subtract: (i) 5a + 7b - 2c from 3a - 7b + 4c (ii) a - 2b - 3c from -2a + 5b - 4c (iii) 5x^(2) - 3xy + y^(2) from 7x^(2) - 2xy - 4y^(2) (iv) 6x^(3) - 7x^(2) + 5x - 3 from 4 - 5x + 6x^(2) - 8x^(3) (v) x^(3) + 2x^(2) y + 6xy^(2) - y^(3) from y^(3) - 3xy^(2) - 4x^(2) (vi) -11 x^(2) y^(2) + 7xy - 6 from 9x^(2) y^(2) - 6xy + 9 (vii) -2a + b + 6d from 5a - 2b - 3c

Subtract the sum of 2/3a n d1/2 from the sum of 5/6,7/(12)a n d4/(15)

Subtract 4a^(2) + 5b^(2) - 6c^(2) + 8 from 2a^(2) -3b^(2) - 4c^(2) - 5 .