percent means out of 100→ 25% of 7/8 = 25/100 × 7/8 = (25×7)/(100×8) = 175/800 =(7×25)/(32×25) = 7/38It would have been prudent to simplify the 25% before themultiplication:25% of 7/8 = 25/100 × 7/8 = (1×25)/(4×25) × 7/8 = 1/4 × 7/8 =(1×7)/(4×8) = 7/32But then again, it is expected that students should recognise25% as ¼