Subtract 30/96 from 7/21
7/21 - 30/96 is 1/48.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 96 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 21 × 32 = 672,
7/21 = 7 × 32/21 × 32 = 224/672 - Likewise, for the 2nd fraction, since 96 × 7 = 672,
30/96 = 30 × 7/96 × 7 = 210/672 - Subtract the two like fractions:
224/672 - 210/672 = 224 - 210/672 = 14/672 - After reducing the fraction, the answer is 1/48
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