4 / 5 x 7 / 8 = 4x7 / 5x8 = 28 / 40 = 7 / 10
seven tenths
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No four fith is bigger
The fifth multiple of four is twenty. 5 * 4 = 20
4
Expressed as a decimal fraction, four and one fifth is equal to 4.2.
Both are same as four twentieth is nothing but one fifth.