Упростите выражение: 3 6/7х-7/9х+4 4/63х?

Question

Упростите выражение:
3 6/7х-7/9х+4 4/63х?

Answer 1

3 6/7х - 7/9х + 4 4/63х = 27/7х - 7/9х + 256/63х = (243 - 49 + 256) /63 = 450/63х = 7 9/63х = 7 1/7х