To compare fractions:
| Same denominator | Same numerator | Other case |
If they have the same denominator, the lower fraction is the fraction which has the lower numerator:
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If they have the same numerator, the lower fraction is the fraction which has the greater denominator:
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In another case, we reduce to common denominator and then we do like in the first case. Have a look in the next exercise:
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Exercise. Reduce to common denominator and compare the fractions, ordering from lowest to greatest.
| 1st. Figure out the LCM of the denominators. | 2nd. Find equivalent fractions with a new denominator, the LCM | 3rd. Order the fractions with the same denominator, and with this, the initials ones | ||
 The new denominator is 36. |
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