/* No JavaScript: desktop panels open on hover or focus; the mobile sheet renders inline instead of behind the Menu button. */ @media (min-width: 980px) { .sh-panel::before { content: ''; position: absolute; left: 0; right: 0; bottom: 100%; height: 24px; } .sh-item:hover > .sh-panel--list, .sh-item:focus-within > .sh-panel--list { display: block; } .sh-item:hover > .sh-panel--practice, .sh-item:focus-within > .sh-panel--practice { display: grid; } } @media (max-width: 979.98px) { body .site-header[data-site-header] { position: static; height: auto; } body .site-header .sh-bar { height: 55px; } body .site-header .sh-menu { display: none; } body .site-header .sh-sheet { display: block; position: static; max-height: none; box-shadow: none; } }

Subtracting Fractions

How you subtract fractions depends on whether the denominators match. Choose the case you want to practice.

Choose What to Practice

Like Denominators (subtracting fractions)

The denominators match, so the pieces are already the same size.
Unlike Denominators (subtracting fractions)

The denominators differ, so rewrite the fractions first to make the pieces the same size.

Also practice Adding Fractions.

Subtracting Fractions

Choose What to Practice

Like Denominators (subtracting fractions)

Unlike Denominators (subtracting fractions)