Subtract 15/48 from 21/75
21/75 - 15/48 is -13/400.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 48 is 1200
Next, find the equivalent fraction of both fractional numbers with denominator 1200 - For the 1st fraction, since 75 × 16 = 1200,
21/75 = 21 × 16/75 × 16 = 336/1200 - Likewise, for the 2nd fraction, since 48 × 25 = 1200,
15/48 = 15 × 25/48 × 25 = 375/1200 - Subtract the two like fractions:
336/1200 - 375/1200 = 336 - 375/1200 = -39/1200 - After reducing the fraction, the answer is -13/400
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