$25+\frac{ 296+4 }{ 3 \times 5 }\div5-7$
Add the numbers$25+\frac{ 300 }{ 3 \times 5 }\div5-7$
Dividing is equivalent to multiplying by the reciprocal$25+\frac{ 300 }{ 3 \times 5 } \times \frac{ 1 }{ 5 }-7$
Cancel out the common factor $3$$25+\frac{ 100 }{ 5 } \times \frac{ 1 }{ 5 }-7$
Cancel out the common factor $5$$25+20 \times \frac{ 1 }{ 5 }-7$
Cancel out the greatest common factor $5$$25+4-7$
Calculate the sum or difference$22$