Subtract 4/14 from 21/70
21/70 - 4/14 is 1/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 14 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
21/70 = 21 × 1/70 × 1 = 21/70 - Likewise, for the 2nd fraction, since 14 × 5 = 70,
4/14 = 4 × 5/14 × 5 = 20/70 - Subtract the two like fractions:
21/70 - 20/70 = 21 - 20/70 = 1/70
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