Subtract 4/9 from 21/48
21/48 - 4/9 is -1/144.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 9 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 48 × 3 = 144,
21/48 = 21 × 3/48 × 3 = 63/144 - Likewise, for the 2nd fraction, since 9 × 16 = 144,
4/9 = 4 × 16/9 × 16 = 64/144 - Subtract the two like fractions:
63/144 - 64/144 = 63 - 64/144 = -1/144
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