1-4-1-5-

Question Number 62049 by hhghg last updated on 14/Jun/19

\frac{1}{4} + \frac{1}{5}

Commented by maxmathsup by imad last updated on 15/Jun/19

= \frac{(1 \times 5) + (4 \times 1)}{4 \times 5} = \frac{5 + 4}{20} = \frac{9}{20}