Subtract 1/90 from 9/16
9/16 - 1/90 is 397/720.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 16 × 45 = 720,
9/16 = 9 × 45/16 × 45 = 405/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
1/90 = 1 × 8/90 × 8 = 8/720 - Subtract the two like fractions:
405/720 - 8/720 = 405 - 8/720 = 397/720
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