Subtract 21/35 from 4/5
4/5 - 21/35 is 1/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 35 is 35
Next, find the equivalent fraction of both fractional numbers with denominator 35 - For the 1st fraction, since 5 × 7 = 35,
4/5 = 4 × 7/5 × 7 = 28/35 - Likewise, for the 2nd fraction, since 35 × 1 = 35,
21/35 = 21 × 1/35 × 1 = 21/35 - Subtract the two like fractions:
28/35 - 21/35 = 28 - 21/35 = 7/35 - After reducing the fraction, the answer is 1/5
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