Question

a)7/15 + 4/15 - 8/15 
б)2 3/16 +7 11/16 - 8 5/16

Answer 1

a)7/15 + 4/15 - 8/15=(7+4-8)/15=3/15=1/5
б)2 3/16 +7 11/16 - 8 5/16=(2+7-8)+(3/16+11/16-5/16)=1+(3+11-5)/16=1+9/16=1 9/16