Subtract 21/49 from 4/8
4/8 - 21/49 is 1/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 49 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 8 × 49 = 392,
4/8 = 4 × 49/8 × 49 = 196/392 - Likewise, for the 2nd fraction, since 49 × 8 = 392,
21/49 = 21 × 8/49 × 8 = 168/392 - Subtract the two like fractions:
196/392 - 168/392 = 196 - 168/392 = 28/392 - After reducing the fraction, the answer is 1/14
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