х-5/8=7/12+5/9
у-15/32=1/4+1/64+7/16

х-5/8=21/36+20/36х-5/8=41/36х=5/8+41/36х=45/72+82/72х=127/72х=1   55/72у-15/32=16/4+1/64+28/64у-15/32=45/64у=30/64+45/64у=75/64у=1   11/64