### Home > CC1MN > Chapter 1 Unit 3B > Lesson CC2: 1.2.5 > Problem1-106

1-106.

Rewrite each expression as a single fraction.

1. $\frac{3}{8}+\frac{1}{8}$

When adding or subtracting fractions with a common denominator, add or subtract with the numerators only.

$\enclose{circle}{ \ \ \frac{3}{8}+\frac{1}{8}\ \ }\\ \\ \ \ \searrow \\\:\:\:\:\:\:\:\:3 + 1 =\: ?$

$\enclose{circle}{ \ \ \frac{3}{8}+\frac{1}{8}\ \ }= \frac{4}{8}\\ \\ \ \ \searrow \\\:\:\:\:\:\:\:\:3 + 1 =\: ?$

Reduce if possible.

1. $\frac{4}{5}+\frac{3}{4}$

See part (a).

1. $\frac{6}{7}-\frac{2}{5}$

See part (a).