Subtract 21/27 from 7/48
7/48 - 21/27 is -91/144.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 27 is 432
Next, find the equivalent fraction of both fractional numbers with denominator 432 - For the 1st fraction, since 48 × 9 = 432,
7/48 = 7 × 9/48 × 9 = 63/432 - Likewise, for the 2nd fraction, since 27 × 16 = 432,
21/27 = 21 × 16/27 × 16 = 336/432 - Subtract the two like fractions:
63/432 - 336/432 = 63 - 336/432 = -273/432 - After reducing the fraction, the answer is -91/144
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