Срочно. помогите.пожп срочно пожалуйста помогите

7 14/15+2 1/15= 119/15 = 31/15 = 150/15 = 10 9 24/27+12 13/27=  267/27 + 337/27 = 604/27 = 22 10/27 1-12/19= 19/19 - 12/19 = 7/19 8-3 6/15= 120/15 - 51/15 = 69/15 = 23/5 = 4 3/5 12-11 6/11= 132/11 - 127/11 = 5/11 16 3/13-6 8/13= 211/13 - 86/13 = 125/13 = 9 8/13 13 4/9-2 8/9= 121/9 - 26/9 = 95/9 =10 5/9 10 7/16-4 12/16= 167/16 - 76/16 = 91/16 =5 11/16 29 49/53-8 49/53= 1586/53 - 473/53 = 1113/53 = 21 (20 16/25 +13 9/25)-(23 4/14 +7 13/14)=  (516/25 + 334/25) - (326/14 + 111/14) =  850/25 - 437/14 =  11900 /350 - 10925/350 = 975/350 = 2 275/350 = 2 11/14

1) 7 14/15+2 1/15=9 15/15=10 2) 9 24/27+12 13/27=21 37/27=22 10/27 3) 1-12/19=19/19-12/19=7/19 4) 8-3 6/15=7 15/15-3 6/15=4 9/15=4 3/5 5) 12-11 6/11=11 11/11-11 6/11=5/11 6) 16 3/13-6 8/13=15 16/13-6 8/13=9 8/13 7) 13 4/9-2 8/9=12 13/9-2 8/9=10 5/9 8) 10 7/16-4 12/16=9 23/16-4 12/16=5 11/16 9) 29 49/53-8 49/53=21 10) (20 16/25 +13 9/25)-(23 4/14 +7 13/14)=2 11/14 1) 20 16/25+13 9/25=33 25/25=34 2) 23 4/14+7 13/14=30 17/14=31 3/14 3) 34-31 3/14=33 14/14-31 3/14=2 11/14