Save guides, add subjects and pick up where you left off with your BBC account. Work out \(\frac{4}{7} + \frac{1}{3}\). Create a common denominator by looking for the lowest common multiple of 7 and 3 ...
There are two rules to remember when adding or subtracting fractions. The fractions need to have a common denominator. This means the denominator has to be the same. You only need to add or subtract ...
Young children can crudely add and subtract numbers before they have learned the rules of arithmetic, a new study finds. Researchers presented five- and six-year-old children with problems such as, ...
Honey bees are capable of understanding complex arithmetic, according to a new study published Wednesday. Scientists discovered that bees can “learn to use blue and yellow as symbolic representations ...
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