Subtract 20/70 from 4/5
4/5 - 20/70 is 18/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 5 × 14 = 70,
4/5 = 4 × 14/5 × 14 = 56/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
20/70 = 20 × 1/70 × 1 = 20/70 - Subtract the two like fractions:
56/70 - 20/70 = 56 - 20/70 = 36/70 - After reducing the fraction, the answer is 18/35
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