Subtract 12/35 from 4/20
4/20 - 12/35 is -1/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
4/20 = 4 × 7/20 × 7 = 28/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
12/35 = 12 × 4/35 × 4 = 48/140 - Subtract the two like fractions:
28/140 - 48/140 = 28 - 48/140 = -20/140 - After reducing the fraction, the answer is -1/7
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