In adding and subtracting fractions with unlike denominators, you have to get a least common denominator which is exactly like the least common multiple it just so happens to be in the denominator.

When adding or subtracting fractions, you need to look at the denominator. If the denominator is the same, then you can just add or subtract the numerator. If the denominator is different, then ...

Fractions with Like Denominators | 3rd Grade Math. Special | 28m 15s Video has Closed Captions | CC. Students will be able to practice comparing fractions with like denominators.

Before students begin adding fractions, teachers can stress the example of sharing or dividing candy bars equally, so they know to compare like denominators. See also.

The bottom number, or the denominator, represents how many slices there are in the pizza, so when we're adding fractions with the same denominators, it's like talking about pizza slices that are ...

These students are learning fractions. "So, like two-eighths plus six-eighths, you have eight-eighths. But, since it's in the music, it equals a whole note," explains 9-year-old Donte Arevalo.