Subtract 21/75 from 5/15
5/15 - 21/75 is 4/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 75 is 75
Next, find the equivalent fraction of both fractional numbers with denominator 75 - For the 1st fraction, since 15 × 5 = 75,
5/15 = 5 × 5/15 × 5 = 25/75 - Likewise, for the 2nd fraction, since 75 × 1 = 75,
21/75 = 21 × 1/75 × 1 = 21/75 - Subtract the two like fractions:
25/75 - 21/75 = 25 - 21/75 = 4/75
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