# Category Archives: Addition

# Minecraft Math: Simple Addition

# Adding fractions with unlike denominators

Suppose you want to add the fractions 3⁄7 and 4⁄5.

To get the numerator of the answer, cross-multiply. In other words, multiply the numerator of each fraction by the denominator of the other. Continue reading Adding fractions with unlike denominators

# Adding Decimals

Suppose you want to add 12.96, 3.5 and 8.

Line up the decimal points.

Begin adding from the right-hand column. Treat the blank spaces after 3.5 and 8 as zeroes.

Add first column.

Continue to the left.

Complete the problem column by column, and at the end, put the decimal point directly below the others. Continue reading Adding Decimals

# Adding Large Numbers in Columns

Suppose we want to add 26 and 79

Stack the numbers one on top of another so that the ones digits line up in a column and the tens digits line up in another column.

Add column by column, starting from the ones column on the right. Continue reading Adding Large Numbers in Columns