Subtract 25/90 from 20/32
20/32 - 25/90 is 25/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 90 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 32 × 45 = 1440,
20/32 = 20 × 45/32 × 45 = 900/1440 - Likewise, for the 2nd fraction, since 90 × 16 = 1440,
25/90 = 25 × 16/90 × 16 = 400/1440 - Subtract the two like fractions:
900/1440 - 400/1440 = 900 - 400/1440 = 500/1440 - After reducing the fraction, the answer is 25/72
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