Subtract 5/6 from 4/21
421 - 56 is -914.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 6 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 21 × 2 = 42,
421 = 4 × 221 × 2 = 842 - Likewise, for the 2nd fraction, since 6 × 7 = 42,
56 = 5 × 76 × 7 = 3542 - Subtract the two like fractions:
842 - 3542 = 8 - 3542 = -2742 - After reducing the fraction, the answer is -914
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