Subtract 14/45 from 12/84
12/84 - 14/45 is -53/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 45 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 84 × 15 = 1260,
12/84 = 12 × 15/84 × 15 = 180/1260 - Likewise, for the 2nd fraction, since 45 × 28 = 1260,
14/45 = 14 × 28/45 × 28 = 392/1260 - Subtract the two like fractions:
180/1260 - 392/1260 = 180 - 392/1260 = -212/1260 - After reducing the fraction, the answer is -53/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/84-14/45 12/84-28/45 12/84-14/90 36/84-14/45 12/84-42/45 60/84-14/45 12/84-70/45 12/84-98/45