Subtract 3/20 from 12/14
12/14 - 3/20 is 99/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 14 × 10 = 140,
12/14 = 12 × 10/14 × 10 = 120/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
3/20 = 3 × 7/20 × 7 = 21/140 - Subtract the two like fractions:
120/140 - 21/140 = 120 - 21/140 = 99/140
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