Subtract 14/80 from 63/90
63/90 - 14/80 is 21/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 90 × 8 = 720,
63/90 = 63 × 8/90 × 8 = 504/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
14/80 = 14 × 9/80 × 9 = 126/720 - Subtract the two like fractions:
504/720 - 126/720 = 504 - 126/720 = 378/720 - After reducing the fraction, the answer is 21/40
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