Subtract 7/80 from 14/81
14/81 - 7/80 is 553/6480.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 80 is 6480
Next, find the equivalent fraction of both fractional numbers with denominator 6480 - For the 1st fraction, since 81 × 80 = 6480,
14/81 = 14 × 80/81 × 80 = 1120/6480 - Likewise, for the 2nd fraction, since 80 × 81 = 6480,
7/80 = 7 × 81/80 × 81 = 567/6480 - Subtract the two like fractions:
1120/6480 - 567/6480 = 1120 - 567/6480 = 553/6480
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