Subtract 25/60 from 18/21
18/21 - 25/60 is 37/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 21 × 20 = 420,
18/21 = 18 × 20/21 × 20 = 360/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
25/60 = 25 × 7/60 × 7 = 175/420 - Subtract the two like fractions:
360/420 - 175/420 = 360 - 175/420 = 185/420 - After reducing the fraction, the answer is 37/84
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